50+ Animals That Start With AP: List, Facts & Fun

Nature is full of surprises, and even narrowing in on animals that start with “Ap” reveals a fascinating world of biodiversity. From striking birds like the Aplomado Falcon to tiny aphids and rare amphibians, the “Ap” list features an intriguing mix of mammals, birds, insects, reptiles, and aquatic life.

These animals span the globe, inhabiting forests, oceans, farms, and deserts. Whether you’re exploring for educational fun or scientific interest, this curated collection provides key facts about each animal — including habitat, diet, behavior, and conservation status. Let’s dive into these 50+ animals that start with Ap and explore what makes each one unique.

Animals That Start With “Ap”

1. Aplomado Falcon (Falco femoralis)

The Aplomado Falcon is a medium-sized bird of prey found primarily in the grasslands and open areas of the southwestern United States, Mexico, and parts of South America. Recognizable by its long tail, slender body, and bold black-and-white facial markings, it hunts mostly small birds and insects in flight. These falcons are agile, fast, and often work in pairs during hunting. Due to habitat loss and previous pesticide use, their populations declined in North America, though reintroduction efforts have helped.
Fun Fact: Unlike most raptors, Aplomado Falcons often hunt cooperatively in pairs.

2. Aphid (Aphidoidea)

Aphids are small, soft-bodied insects found on nearly every continent and host plant. Known for their plant-sucking habits, they feed on sap and can damage crops by transmitting plant diseases. Aphids reproduce rapidly, sometimes asexually, and are a primary food source for many garden predators like ladybugs. They’re often seen in dense clusters on leaves and stems.
Fun Fact: Some aphids can give birth to live young without mating — a process called parthenogenesis.

3. Apennine Chamois (Rupicapra pyrenaica ornata)

This goat-antelope species inhabits the rugged terrain of the Apennine Mountains in Italy. It has a short coat that changes color with the seasons and distinctive facial stripes. Agile and sure-footed, the Apennine Chamois thrives in alpine meadows and steep rocky slopes. It’s currently endangered due to hunting and limited range.
Fun Fact: It can leap over 6 meters in a single bound.

4. Apistogramma (Apistogramma spp.)

Apistogrammas are small, colorful freshwater fish native to South America. Popular in aquariums, these dwarf cichlids are known for their striking fins and complex social behaviors. Males are territorial and display courtship rituals, while females fiercely guard their young. They thrive in soft, acidic water environments.
Fun Fact: Some species change color dramatically during mating or stress.

5. Apteryx (North Island Brown Kiwi) (Apteryx mantelli)

The Apteryx, or kiwi, is a flightless bird endemic to New Zealand. It has hair-like feathers, long nostrils at the tip of its beak, and strong legs. Active at night, it forages for insects and worms in forest undergrowth. Kiwis lay one of the largest eggs relative to body size among birds.
Fun Fact: A kiwi egg can weigh up to 20% of the mother’s body weight.

6. Apogon (Cardinalfish) (Apogon imberbis)

This small, vibrant reef fish is most active at night and can be found throughout the Mediterranean and eastern Atlantic. Its body is typically red or orange with large eyes adapted for darkness. Apogons are mouthbrooders — males protect fertilized eggs in their mouths until they hatch.
Fun Fact: The male carries the fertilized eggs in his mouth for protection.

7. Apalone Spinifera (Spiny Softshell Turtle) (Apalone spinifera)

Native to North America, this freshwater turtle has a leathery, flattened shell and a snorkel-like nose. It prefers rivers with sandy or muddy bottoms. Agile swimmers, they bury themselves in substrate to ambush prey.
Fun Fact: It can breathe through its skin and throat lining while underwater.

8. Apolemia (Apolemia spp.)

A member of the siphonophore group, Apolemia is a deep-sea colonial organism that resembles a jellyfish but is actually a collection of genetically identical individuals. It can grow to over 45 meters long and glows bioluminescently in the deep ocean.
Fun Fact: One Apolemia discovered in Australia may be the longest animal ever recorded.

9. Apheloria (Apheloria virginiensis)

A striking black-and-yellow millipede found in the eastern United States, Apheloria emits toxic chemicals as a defense. It prefers moist woodlands and feeds on decaying plant matter. Its bright coloration warns predators of its unpalatability.
Fun Fact: It secretes cyanide compounds when threatened.

10. Apogonichthyoides timorensis (Timor Cardinalfish)

Found in the Indo-Pacific, this small reef fish displays cryptic patterns that help it blend into corals. Like other cardinalfish, it is a nocturnal feeder and often hides in crevices by day.
Fun Fact: It camouflages so well it often avoids detection by researchers.

11. Apteryx haastii (Great Spotted Kiwi)

The Great Spotted Kiwi is the largest species of kiwi, endemic to the South Island of New Zealand. Covered in coarse, grayish feathers, this flightless bird uses its long beak and strong sense of smell to forage for insects and worms. It prefers upland forests and alpine regions. These shy, nocturnal birds are highly territorial.
Fun Fact: It can deliver powerful kicks when threatened.

12. Apis mellifera (Western Honeybee)

One of the most important pollinators in the world, the Western Honeybee is domesticated across continents. It lives in large colonies with a queen, workers, and drones. Bees communicate through a “waggle dance” and are essential for pollinating crops and wild plants alike.
Fun Fact: A single bee can visit over 2,000 flowers in a day.

13. Apistogramma cacatuoides (Cockatoo Cichlid)

A colorful freshwater fish prized in aquariums, this species boasts vivid fin extensions resembling a cockatoo’s crest. Native to the Amazon basin, it prefers slow, plant-filled waters. Males guard the territory while females protect the fry in leaf shelters.
Fun Fact: Females can recognize their own fry from others.

14. Apalone mutica (Smooth Softshell Turtle)

This turtle has a soft, leathery shell and lacks the spiny edges found in its close relatives. Native to central North America, it prefers sandy-bottomed rivers. It’s an excellent swimmer and can stay submerged for long periods thanks to its ability to absorb oxygen through its skin.
Fun Fact: It can “breathe” through its skin and throat while underwater.

15. Apogon maculatus (Flame Cardinalfish)

With its brilliant red body and nocturnal habits, the Flame Cardinalfish is a popular reef fish in the Atlantic and Caribbean. It hides in crevices by day and hunts small plankton at night. Males incubate the eggs in their mouths until hatching.
Fun Fact: Its vivid red color helps camouflage it in deep reef shadows.

16. Apolemichthys xanthurus (Indian Yellowtail Angelfish)

Found in coral reefs of the Indian Ocean, this angelfish is recognized by its dark body and vibrant yellow tail. It feeds on sponges, tunicates, and algae. It prefers coral-rich environments and is commonly seen alone or in pairs.
Fun Fact: Despite its beauty, it often becomes territorial in home aquariums.

17. Apodemus sylvaticus (Wood Mouse)

Common throughout Europe and parts of Asia, this nocturnal rodent is small, agile, and a key prey species for owls and foxes. It prefers woodland edges, hedgerows, and gardens. Wood mice are known for their large eyes and ears, and they can store seeds underground for winter.
Fun Fact: They can jump over 30 cm in a single bound despite their size.

18. Apalone ferox (Florida Softshell Turtle)

This large softshell turtle is native to the southeastern U.S. and has a snorkel-like snout and leathery shell. It’s highly aquatic, rarely basking on land, and often lies buried in sand with just its head exposed.
Fun Fact: It can stay submerged for over an hour thanks to skin respiration.

19. Apis cerana (Eastern Honeybee)

Native to South and Southeast Asia, this honeybee species is smaller than its Western counterpart and more adapted to tropical environments. It builds smaller combs and nests in cavities. Apis cerana plays a vital role in local ecosystems and agriculture.
Fun Fact: It can perform a “shimmering” defense wave to confuse predators.

20. Apogon exostigma (Pajama Cardinalfish)

Easily recognized by its polka-dot midsection and yellow face, this peaceful reef fish is common in the Indo-Pacific. It’s nocturnal and prefers hiding in coral heads by day. Social and hardy, it’s often kept in aquariums.
Fun Fact: It gets its name from its spotted “pajama-like” body pattern.

21. Apogon leptacanthus (Threadfin Cardinalfish)

This delicate, silvery reef fish features long, thread-like fins and a translucent body. It lives in lagoons and coral reefs in the Indo-Pacific, often gathering in large schools under overhangs or ledges. Like other cardinalfish, males mouthbrood the eggs.
Fun Fact: Its see-through body makes it nearly invisible in moonlight.

22. Apis dorsata (Giant Honeybee)

One of the largest honeybee species in the world, Apis dorsata builds massive exposed nests on cliffs or tall buildings. Found in South and Southeast Asia, it plays a key role in pollinating native and cultivated plants.
Fun Fact: Their open-air nests can contain over 50,000 bees.

23. Apogon coccineus (Redspot Cardinalfish)

This deep-red species is found in the western Pacific, hiding in caves and beneath coral heads. It’s nocturnal, and its vivid color makes it stand out even in dim reef environments.
Fun Fact: Its glowing red pigment is visible under UV light.

24. Apteronotus albifrons (Black Ghost Knifefish)

This unusual, nocturnal freshwater fish is native to the Amazon Basin. It uses electrical fields to navigate murky waters. It has a long, ribbon-like body and swims using an undulating fin along its underside.
Fun Fact: It can “see” in total darkness using electric signals.

25. Apogon semilineatus (Half-line Cardinalfish)

Common in Indo-Pacific reefs, this fish is recognized by a faint horizontal line across its body. It prefers shadowy spots and is highly sensitive to light. Like others in its genus, the male incubates the eggs in his mouth.
Fun Fact: During brooding, the male does not eat for days.

26. Aphelocoma californica (California Scrub-Jay)

This striking blue-and-gray bird is native to the western U.S. It’s highly intelligent, known for caching food and even remembering which observers watched it hide food. It’s vocal, social, and often forages in mixed woodland or suburban areas.
Fun Fact: Scrub-jays can plan for the future — a rare bird trait.

27. Apogon fraenatus (Banded Cardinalfish)

A small reef fish found in the Pacific and Indian Oceans, it features a silver body with red bands near the gills. It hides during the day and feeds at night on plankton and tiny invertebrates.
Fun Fact: Forms pair bonds and often stays with the same mate.

28. Apogon aureus (Golden Cardinalfish)

Bright yellow-golden in color, this species stands out in reef ecosystems. It forms large schools under ledges or in caves. Males mouthbrood fertilized eggs and protect fry until they hatch.
Fun Fact: Its bright yellow body reflects blue light to appear luminous.

29. Apogonichthyoides nigripinnis (Blackfin Cardinalfish)

Found in tropical reefs, this species is dark with black pectoral fins and a nocturnal lifestyle. It dwells in caves and shadows and is rarely seen in open water during the day.
Fun Fact: Its fins glow slightly under moonlight, confusing predators.

30. Apterichtus caecus (European Snake Eel)

This snake-like marine eel is found in the eastern Atlantic, burrowing into sandy seabeds. It has no fins or scales, and its small eyes indicate a reliance on scent and vibration to detect prey.
Fun Fact: It can live buried in sand for days without surfacing.

31. Apis florea (Dwarf Honeybee)

One of the smallest honeybee species, Apis florea is native to Asia and builds open nests on tree branches or shrubs. Despite its size, it plays a significant role in pollinating wild and cultivated plants. Unlike other bees, it builds a single comb rather than multiple layers.
Fun Fact: It performs figure-eight dances like larger bees but on vertical surfaces.

32. Apogon cyanosoma (Yellowstriped Cardinalfish)

This reef-dwelling fish features silver scales and distinctive yellow stripes running along its body. Found in the Indo-Pacific, it prefers reef caves and underhangs, feeding on zooplankton at night.
Fun Fact: It glows faintly under blue reef lighting.

33. Apogon compressus (Ochre-striped Cardinalfish)

This small, reef-dwelling species displays subtle ochre (reddish-brown) striping and is known for its reclusive behavior. It often hides among coral rubble and under rocks, venturing out only at night to feed.
Fun Fact: Its stripe pattern helps it blend into coralline algae.

34. Apogon parvulus (Redspot Cardinalfish)

Not to be confused with similar species, this fish is transparent with a small red dot near its tail. Native to Western Pacific reefs, it’s particularly popular in nano reef tanks due to its peaceful nature.
Fun Fact: Its red spot functions as a false eye to mislead predators.

35. Apogon crassiceps (Fathead Cardinalfish)

Known for its relatively large head and eyes, this deep-bodied species is found in coral-rich areas of the Indo-Pacific. It remains hidden in reef holes during the day and becomes active at dusk.
Fun Fact: Enlarged eyes help it hunt in very low light conditions.

36. Apogon dovii (Dove’s Cardinalfish)

A relatively uncommon species in the genus Apogon, this cardinalfish is found off the coast of Central America. It prefers rocky outcroppings and hides in crevices during daylight hours.
Fun Fact: It’s rarely photographed due to its deep habitat.

37. Apogon limenus (Sydney Cardinalfish)

Native to coastal Australia, this silvery fish is active at night and seeks shelter in rock crevices during the day. It’s often found near jetties, piers, and man-made reef structures.
Fun Fact: Named after Sydney, where it was first described.

38. Apogon neotes (Flame-tail Cardinalfish)

This species has a fiery red tail contrasting a translucent silver body. Found in the Indo-Pacific, it’s a nocturnal hunter that avoids strong currents and prefers calmer reef zones.
Fun Fact: The bright tail is used in mating displays.

39. Apogon trimaculatus (Three-spot Cardinalfish)

This cardinalfish species features three distinct black spots along its flanks. Found in tropical reef environments, it often forms small groups and is most active at dusk.
Fun Fact: It flashes its spots to signal aggression or territory.

40. Apogonichthyoides melas (Black Cardinalfish)

This deep-colored species blends into reef shadows and is a highly secretive fish. Found in the Indo-Pacific, it’s most often seen during night dives.
Fun Fact: Its dark hue helps it avoid predation during moonlit nights.

41. Apogon regani (Regan’s Cardinalfish)

Named in honor of British ichthyologist Charles Tate Regan, this reef species is found in the Indo-Pacific. It’s a reclusive nocturnal hunter that uses small coral holes for shelter.
Fun Fact: It remains motionless during the day to conserve energy.

42. Apogonichthyoides taeniatus (Striped Cardinalfish)

This eye-catching species features horizontal body stripes and is native to reefs throughout the Red Sea and Indo-Pacific. It’s especially active during twilight hours.
Fun Fact: It uses stripes to visually confuse predators during quick movements.

43. Apteronotus leptorhynchus (Brown Ghost Knifefish)

Also known as the “Long-nosed Ghost Knifefish,” this nocturnal freshwater species from South America uses a weak electrical field for navigation and prey detection. Its long snout distinguishes it from related species.
Fun Fact: It uses electric signals to “talk” to other knifefish.

44. Apogon margaritophorus (Pearlband Cardinalfish)

Its pearlescent horizontal bands shimmer under blue reef light, making this fish a popular aquarium species. Native to Indo-Pacific coral reefs, it hides during the day and feeds at dusk.
Fun Fact: Its bands reflect light differently at various depths.

45. Apogon monogramma (Single-stripe Cardinalfish)

This reef fish has a single black lateral stripe and prefers still lagoons. It shelters among coral branches or sea urchins, avoiding predators through camouflage.
Fun Fact: It’s often found hiding near venomous urchins for protection.

46. Apis andreniformis (Black Dwarf Honeybee)

This bee is among the smallest honeybee species and is native to Southeast Asia. It builds single-comb nests in low bushes and is very gentle compared to other bees.
Fun Fact: It’s less aggressive and less likely to sting than larger bees.

47. Apogon hyalosoma (Glass-eye Cardinalfish)

This semi-transparent species lives in coral lagoons and reef slopes across the Indo-Pacific. It has large, reflective eyes that glow under torchlight at night.
Fun Fact: Its eyes appear to glow red under underwater flashlight.

48. Apogon nigrofasciatus (Black-banded Cardinalfish)

Sporting distinct black bands across a pale body, this cardinalfish prefers coral rubble and dead coral heads for hiding. It’s one of the more strikingly marked species in its genus.
Fun Fact: Bands can fade or intensify depending on stress levels.

49. Apogon pharaonis (Pharaoh Cardinalfish)

Originally native to the Red Sea, this species has spread into the Mediterranean via the Suez Canal. It’s nocturnal and often found in rocky reefs or shipwrecks.
Fun Fact: It’s one of the first Lessepsian migrants to establish in Europe.

50. Apogonichthyoides atripes (Darkfin Cardinalfish)

This reef fish has darkly pigmented fins and is often found near sponge-covered reef slopes. It stays hidden during the day and emerges at dusk.
Fun Fact: Its dark fins absorb light to help remain undetected.

51. Apogonichthyoides melasoma (Dusky Cardinalfish)

The final species in this list, the Dusky Cardinalfish, is characterized by a uniform dark coloration. It dwells in deeper reef zones and is rarely spotted during the day.
Fun Fact: Its solid dark color helps avoid detection at depth.

Read: Animals That Start With Z
Read: Animals That Start With O:
Read: Animals That Start With R
Read: Animals That Start With L
Read: Animals That Start With P

FAQs

How many Ap-starting animals are there in total?

This list features 51 confirmed animals that begin with the prefix “Ap,” including insects, fish, birds, and reptiles — a mix that spans multiple taxonomic groups.

Why are so many “Ap” animals fish?

Many species starting with “Ap” belong to the Apogonidae family, commonly known as cardinalfish, which includes dozens of species often named by scientists.

What is the most common habitat for “Ap” animals?

Most Ap-named animals live in coral reef ecosystems or tropical zones, especially fish like cardinalfish, while others inhabit forests, rivers, and grasslands.

Are all animals that start with Ap exotic or rare?

Not at all. While some are rare or deep-sea species, others — like Aphids or Apis mellifera (honeybee) — are extremely common and essential to ecosystems.

Conclusion

From dazzling reef-dwellers like the Apogon cardinalfish to hardworking pollinators like Apis bees, animals that start with Ap reveal a surprising variety of life forms across land, sea, and sky. Though niche in name, these species highlight the biodiversity that exists even in the smallest corners of taxonomy. Whether you’re a nature lover, student, or trivia fan, exploring these unique creatures adds depth to our understanding of the natural world. Keep exploring — who knows what other curious names and creatures await?