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Fast swimmer, and good sporting fish. Carnivorous 80–120 cm. Good commercial fish. Green jobfish (Vacoas) Dark green to bluish grey. Dark spots on the middle dorsal fins. Horizontal groove in front of the eye. Found in the open sea. Often seen on sandy bottom areas. A good fighter when caught with line. Piscivorous 60–100 cm. Prized ...
Venomous fish do not necessarily cause poisoning if they are eaten, as the digestive system often destroys the venom. [1] There are at least 1200 species of venomous fish, [2] [3] with catfishes alone possibly contributing 250–625 species to that total. [4] The former number accounts for two-thirds of the venomous vertebrate population. [5]
Ciguatera fish poisoning (CFP), also known as ciguatera, is a foodborne illness caused by eating reef fish contaminated with ciguatoxins. [ 4 ] [ 2 ] Such individual fish are said to be ciguatoxic . Symptoms may include diarrhea , vomiting, numbness, itchiness, sensitivity to hot and cold, dizziness , and weakness.
These fish are proving to be a nuisance and are disturbing the ecosystem of Mauritian rivers. [12] All the above fish have been introduced. Indigenous fish are few, and one of them is the goby, locally known as bichiques, of which two species are found, Awaous commersoni and Awaous pallidus, which locally are known as bichiques. They are ...
Water temperatures in its native habitat range from 23 to 27 °C (73 to 81 °F). [4] Synodontis batensoda is silver-green to blue-grey with black barbels and a blackish underside (thus its specific name, from Arabic بطن السوداء bațn sawdā' = "black belly"). [3] Occasionally, individuals can be reddish brown. [3]
The pectoral fins are angled and help, with the pelvic fins, to move the fish on the bottom and to keep a stable position for ambush. The warty frogfish exhibits biofluorescence, that is, when illuminated by blue or ultraviolet light, it re-emits it as red, and appears differently than under white light illumination. Biofluorescence may assist ...
A second defense mechanism is provided by the sharp spines, which radiate outwards when the fish is inflated. They have upper and lower teeth that fuse into a shape of a parrot's beak; they use this beak to eat molluscs and sea urchins. [4] [8] [9] Some species are poisonous, having tetrodotoxin in
Siganus fuscescens, the mottled spinefoot, black rabbitfish, black spinefoot, dusky rabbitfish, fuscous rabbitfish, happy moments, mi mi, pearl-spotted spinefoot, pin-spotted spinefoot, stinging bream or West Australian rabbitfish, is a species of marine ray-finned fish, a rabbitfish belonging to the family Siganidae. It is found in the Western ...