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Fish #122 Streaked Gurnard Trigloporus lastoviza ~ Bob Armstrong
Water based mixed media using inks, acrylic, collage and gum arabic. 25 x 43 cm
The Streaked Gurnard, Trigloporus lastoviza (syn. Chelidonichthys lastoviza) is the only member of Trigloporus, a species of Searobin, found in the Eastern Atlantic to the Indian Ocean, from Norway to Mozambique, but is a very rare visitor to the North Sea. It is found at depths of up to 150 metres but usually in more shallow water from 10 to 40 metres deep. Maximum length is approximately 40 cms. It feeds exclusively on small crustaceans such as swimming crabs which it can detect under the sand or mud with specially adapted spines used as feelers.
Apart from their striking good looks the Gurnards are a multi-talented bunch. They are known as Searobins for their red colour and large pectoral fins that move with a flying motion. The feeding sensors resemble legs, giving the appearance of walking, and they are to communicate with each other in two ways. Gurnard in French means grunt and by using a muscle against its swim bladder it can, indeed, make a croaking or grunting sound and the blue spots on the pectoral fins will light up when the fish is aroused.
Oh yes, they swim quite well too!
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