Fish Encyclopedia
Search and identify 1,000+ fish species — freshwater, saltwater, reef, and pelagic — with habitat, size, diet, behavior, and how to tell them apart.
Dusky Grouper
The dusky grouper is a large, dark brownish-grey grouper native to rocky reefs of the Mediterranean and eastern Atlantic, once heavily depleted by spearfishing and now a conservation priority in parts of its range.
reefTalbot's Damselfish
A small damselfish with a yellow head, a pale lavender-grey body, and a distinctive black spot on the rear dorsal fin, found sheltering among branching coral on western Pacific reefs.
reefGreen Moray Eel
The Green Moray Eel is a large Atlantic reef eel whose apparent green color actually comes from a yellow mucus layer coating its naturally blue-grey skin.
reefPotato Grouper
The potato grouper is one of the largest reef groupers, a pale grey fish covered in dark blotches resembling potato skin, found on Indo-Pacific reefs and known for its curious, approachable behavior toward divers.
reefBlue Gourami (Three Spot Gourami)
A hardy, adaptable Southeast Asian labyrinth fish named for the two dark spots along its flank that, combined with the eye, form a "three spot" pattern; the wild form is blue-grey with darker mottling.
freshwater