Taiwan angleshark (Squatina formosa)

Scientific name: Squatina formosa Shen & Ting, 1972

Taiwan angleshark (Squatina formosa)

The Taiwan angleshark (Squatina formosa) is a marine fish of the family Squatinidae. Native range: North Western Pacific, East coast of Taiwan and Ryuku Islands to SE Japan to Izu Peninsula; misidentifiction of S. caillieti in the Philippines.

Biology

Dorsal spines (total): 0. Taiwan angelshark Squatina formosa has broad pectoral fins with outer corner more obtuse and free rear tips narrowly subangular; nasal barbels apparently simple, narrow and tapered. Anterior nasal flaps smooth to weakly fringed; dermal folds on sides of head possibly with a triangular lobe. Rear tip of inner margin of pelvic fins reaching little beyond origin of first dorsal. Very short hypocercal tail. Rows of small spines on midline of back and tail, and on snout and between eyes. Color: no ocelli (eye-like spot) on body.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Squatina formosa
Family
Squatinidae (Angel sharks)
Order
Squatiniformes (Angel sharks)
Class
Elasmobranchii (Sharks and Rays)
Maximum length
55.4
Depth range
183–220 m (600–722 ft)
Environment
Marine; bathydemersal; depth range 183 - 220 m
Climate
Deep-water
Distribution
North Western Pacific: East coast of Taiwan and Ryuku Islands to SE Japan to Izu Peninsula; misidentifiction of S. caillieti in the Philippines.
Conservation status (IUCN)
Endangered (EN) (A2d+4d)
Threat to humans
Traumatogenic
Uses
Fisheries: of no interest
Resilience
Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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