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The annual take of angel shark in 1977 was an estimated 147 kg. [11] By 1985, the annual take of angel shark on the central California coast had increased to more than 454 tonnes or an estimated 90,000 sharks. [11] The population declined dramatically and is now regulated. Angel sharks live very close to shore, resulting in high bycatch rates.
The word squatina is the name for skate in Latin; it was made the genus name for all angel sharks by the French zoologist André Duméril in 1806. [3] Other common names used for this species include angel, angel fiddle fish, angel puffy fish, angel ray, angelfish, escat jueu, fiddle fish, monk, and monkfish. [4]
Locally, this species may also be referred to as angel shark, California angel shark, or monkfish. [3] The Chilean angelshark (Squatina armata) of the southeastern Pacific was synonymized with this species by Kato, Springer and Wagner in 1967, but was later tentatively recognized as a separate species again by Leonard Compagno.
The sand devil or Atlantic angel shark (Squatina dumeril) is a species of angelshark, family Squatinidae, native to the northwestern Atlantic Ocean. It occurs off the eastern United States , in the northern Gulf of Mexico , and possibly in parts of the Caribbean Sea .
The sawback angelshark (Squatina aculeata) is an angelshark of the family Squatinidae [2] It is one of rarest species of sharks known to date, and one of the three species of angelsharks that inhabits the Mediterranean.
Colour: Are a purplish-brown color with many scattered dark brown spots (with no white), that are mostly in circular groups around a central spot. No ocelli. Obtains paler dorsal fins.
Squatiniformes is an order of sharks belonging to Squalomorphii.It contains only a single living genus Squatina, commonly known as angelsharks.The oldest genus of the order, Pseudorhina is known from the Late Jurassic of Europe. [1]
Colour: Are a yellow-brown to a chocolate-brown, obtains dense patterns of small white dark edged symmetrical spots, also with many large brownish blotches. Has white nuchal spot (no ocelli).