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The remora (/ ˈ r ɛ m ə r ə /), sometimes called suckerfish or sharksucker, is any of a family (Echeneidae) of ray-finned fish in the order Carangiformes. [4] Depending on species, they grow to 30–110 cm (12–43 in) long.
Blenniformids are generally small fish, only occasionally reaching lengths up to 55 cm, with elongated bodies (some almost eel-like), and relatively large eyes and mouths. Their dorsal fins are often continuous and long; the pelvic fins typically have a single embedded spine and are short and slender, situated before the pectoral fins.
The wrymouth (Cryptacanthodes maculatus) sometimes called ghostfish or "potato-head fish", is a slim, eel-like creature belongs to the wrymouth family Cryptacanthodidae.It outgrows the blennies, its relatives, and may reach a length of 97 centimetres (38 in) TL [2] A low spiny dorsal fin stands along the entire back.
Common names of fish can refer to a single species; to an entire group of species, such as a genus or family; or to multiple unrelated species or groups.Ambiguous common names are accompanied by their possible meanings.
The sea lamprey has an eel-like body without paired fins. Its mouth is jawless, round and sucker-like, and as wide or wider than the head; sharp teeth are arranged in many concentric circular rows around a sharp, rasp-like tongue. There are seven branchial or gill-like openings behind the eye. Sea lampreys are olive or brown-yellow on the ...
Some marine fish, like sharks, have adopted a different, efficient mechanism to conserve water, i.e., osmoregulation. They retain urea in their blood in relatively higher concentration. Urea is damaging to living tissue so, to cope with this problem, some fish retain trimethylamine oxide. This provides a better solution to urea's toxicity.
A similar strategy has been employed by fish in the presence of large reef sharks, as they use the larger animal as a tool to ambush prey. [46] The opportunistic nature of giant trevally has also been made evident by studies on the mortality rate of undersized or egg-bearing lobsters released from traps at the water's surface of the Hawaiian ...
In a shark aquarium setup (preferably an oval-shaped tank for more active species), there should be much surface area (wide and long tanks with good gas exchange/more room for biological filtration and room for sharks to swim, glide, and turn with little constraint opposed to tall, thin tanks), fine substrate (coarse substrate can irritate the ...