Browse fish profiles across freshwater and marine environments, with a simple size-based directory for quickly exploring species.
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Amphiprioninae (genus Amphiprion; some systems merge Premnas into Amphiprion)
Amphiprioninae—the clownfishes/anemonefishes—is a subfamily of Pomacentridae distributedthroughout the Indo‑West Pacific. They ···
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Pterois volitans
Pterois volitans—the red lionfish—is a scorpionfish (family Scorpaenidae) native to theIndo‑West Pacific. It is famous for its ···
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Clupeidae (notably Sardina, Sardinops, Sardinella)
Sardines are small, schooling, oily fishes of the family Clupeidae, notably Sardina pilchardus (European sardine),Sardinops (Pacif···
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Balistoides conspicillum
Balistoides conspicillum—the clown triggerfish—is a member of the Balistidae and a conspicuousdiurnal benthic predator on tropic···
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Synanceia verrucosa
The reef stonefish (Synanceia verrucosa) is a member of the Synanceiidae and among themost venomous bony fishes. Master of crypsis···
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Hippocampus (pygmy complex)
Pygmy seahorses are miniaturised Hippocampus noted for extreme crypsis and male brooding; many live on gorgonians.The pygmy seahor···
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Lophius litulon
Lophius litulon—the yellow goosefish (Japanese anglerfish)—is a large demersal predator in theNW Pacific (family Lophiidae). The···
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Diodon nicthemerus
Diodon nicthemerus—the spot‑fin porcupinefish (also called slender‑spined porcupinefish)—belongs to thefamily Diodontidae. Lik···
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Aulostomus maculatus
Aulostomus maculatus—the Atlantic trumpetfish—belongs to the family Aulostomidae and is a classicstealth ambush predator on Cari···
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Gobiidae (symbiotic shrimp‑goby clade: Amblyeleotris, Cryptocentrus, Stonogobiops)
Prawn goby is a vernacular for gobies that live in mutualistic symbiosis with alpheid “pistol” shrimps(Alpheus spp.). Hallmark g···
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Phycodurus eques
The leafy seadragon (Phycodurus eques) is a member of the Syngnathidae (seahorses & pipefishes),renowned for its ornate leaf‑···
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Lutjanus quinquelineatus
Lutjanus quinquelineatus—the five‑lined snapper—is a common Indo‑Pacific reef snapper of the familyLutjanidae. It bears five p···
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Chaetodontidae
Chaetodontidae—the butterflyfishes—are among the most conspicuous reef indicator fishes in the tropics.Key genera include Chaeto···
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Antennarius
Antennarius—the frogfishes—belongs to the family Antennariidae and epitomisescamouflaged ambush predation. The first dorsal spin···
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Rajiformes
Rajiformes—in modern usage typically referring to the skates within the batoids—differs from stingraysby being oviparous and lac···
VU
Bolbometopon muricatum
Bolbometopon muricatum—the bumphead parrotfish—is the world’s largest parrotfish(family Scaridae). Adults have a distinctive fo···
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Hemitrygon akajei (syn. Dasyatis akajei)
The Japanese red stingray (Hemitrygon akajei; historically Dasyatis akajei) is a coastaldasyatid common in the northwestern Pacifi···
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Pleuronectiformes
Pleuronectiformes—the flatfishes (flounders, soles, turbots, halibuts)—are defined byeye migration during metamorphosis. Larvae ···
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Exocoetus volitans
Exocoetus volitans—a widespread flyingfish of the family Exocoetidae—is among the mostcommon oceanic species globally. Its great···
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Sphyraena
Sphyraena—the barracudas—belongs to the family Sphyraenidae.They are iconic fast predators with elongate bodies, a huge gape and···
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Echidna nebulosa (syn. Muraena pardalis)
Echidna nebulosa—the snowflake moray—is a crushing‑toothed muraenid specialised for crustaceans.It appears in older literature ···
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Epinephelus sp.
Epinephelus is a genus of serranid groupers—iconic benthic ambush predators of tropical and subtropical seas.Most species inhabit···
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Ginglymostoma cirratum
The nurse shark (Ginglymostoma cirratum) is a common coastal shark of the western Atlantic–Caribbean,in family Ginglymostomatidae···
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Sphyrna zygaena
The smooth hammerhead (Sphyrna zygaena) is a widely distributed temperate–tropical shark in familySphyrnidae. Its hammer‑shaped ···