The Argentine angelshark (Squatina argentina) is an angelshark of the family Squatinidae.
| Argentine angelshark | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Squatiniformes |
| Family: | Squatinidae |
| Genus: | Squatina |
| Species: | S. argentina
|
| Binomial name | |
| Squatina argentina (Marini, 1930)
| |
| |
| Range of Argentine angelshark (in blue) | |
Measurements
editBorn: N/A.; Mature: ~ 100.0 cm - 120 cm TL; Max: 138 (?170) cm TL.
Identification
editColour: 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. Body: Has simple spatulate nasal barbels. Also slightly fringed or a smooth anterior nasal flaps with no triangular lobes on lateral head folds. Has concave between its eyes. Obtains enlarged thorns on snout, and not back. Its pectoral fins are large, broad, and obtusely angular. Convex leading edge forming a very distinct 'shoulder'.
Distribution & range
editSouthwest Atlantic: from southern Brazil down south to Patagonia. 19°S - 53°S, 68°W - 38°W.
Climate & habitat
editSubtropical; continental shelf and upper slope, demersal, marine. Found 50 – 320 m (usually 100 – 400 m) down.
Behaviour
editUnknown.
Biology
editDiet: Feeds on demersal fishes, shrimp, and squid. Reproduction: Are ovoviviparous, birth about 7 to 11 pups per litter.
Threat to humans
editTraumatogenic.
Resilience & vulnerability
editVery low, minimum population doubling time more than 14 years; high to very high vulnerability.
References
edit- ^ Cuevas, J.M.; Awruch, C.A.; Barreto, R.; Charvet, P.; Chiaramonte, G.E.; Dolphine, P.; Faria, V.; Paesch, L.; Rincon, G. (2019). "Squatina argentina". IUCN Red List of Threatened Species. 2019: e.T39329A116841596. doi:10.2305/IUCN.UK.2019-1.RLTS.T39329A116841596.en. Retrieved 18 November 2021.
- Froese, Rainer; Pauly, Daniel (eds.). "Squatina argentina". FishBase. July 2006 version.
- Compagno, Dando, & Fowler, Sharks of the World, Princeton University Press, New Jersey 2005 ISBN 0-691-12072-2
