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The three-spined stickleback (Gasterosteus aculeatus)
Scuba diving into coral garden at Ishigaki island, Japan
latimeria fish isolated on the black background
Pacific halibut swims in the aquarium
(Porichthys notatus) This fish is also known as the Singing Toadfish, Singing Fish, Grunting Fish and Midshipman.    The scientific name Porichythys  refers to pores and Midshipman refers to the pattern of luminous spots along the body resembling buttons, like on a naval uniform.  These fish are nocturnal, but this one was found on the eel grass as a very low tide.
Fish in an aquarium
A fish The three-spined stickleback (Gasterosteus aculeatus) on the background of a 5 mm measurement grid. Ichthyology research.
Three-spined stickleback
Small fish in hand
Channa Orna Fish In Aquarium
Macro shot of snakehead fish on black background
Hexagrammos lagocephalus is a colorful marine fish with the common name rock greenling in the greenling family.
Greater weever (Trachinus draco). Marine fish.
Alticus saliens is a species of combtooth blenny found in the Pacific and Indian oceans. It was first named by Lacepède in 1800, and is commonly known as the Leaping blenny or the Jumping blenny. From the Indo-Pacific rocky shores;
Close up Channa Auranti snakehead fish in the aquarium
Giant snake head fish on white background
Cute pet fish
Gobiidae is a family of bony fish in the order Gobiiformes, one of the largest fish families comprising more than 2,000 species in more than 200 genera.
Goldfish swimming in the water with a black background photographed in Chengdu
Zig-zag eel fish isolated on white background, Mastacembelus armatus
Aquatic (fresh water) nematode living in pond water among cyanobacteria. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
Snakehead fish in blurred background
Sea life Saltwater Fish  Underwater beauty
3D rendering of a green tropical saltwater fish isolated on white background
Canary rockfish, Sebastes pinniger, is a rockfish of the Pacific coast, aquarium, Seward, Alaska
Stickleback, gasterosteus aculeatus
Golden Dragon eye close up and open
Freshwater bullhead fish or round goby fish known as Neogobius melanostomus and Neogobius fluviatilis pallasi just taken from the water. Close up view of raw bullhead fish called goby fish on big green leaf.
an eel searches for food on the Los Llanos region of Colombia
Free Images: "bestof:OphiocephalusDiplogrammeDay.jpg en Ophiocephalus diplogramme The Fishes of Malabar Sir Francis Day 1865 PD-old Ophiocephalus Uncategorized 2015 February 4"
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