Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii (sharks and rays) > Squatiniformes
(Angel sharks) > Squatinidae
Etymology: Squatina: Latin, squatina, -ae = a kind of shark (Ref. 45335).
Environment / Climate / Range
Marine; demersal; depth range 10 - 100 m (Ref. 57911). Subtropical; 20°S - 40°S, 60°W - 40°W (Ref. 57911)
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 72 - ? cm
Max length : 87.0 cm TL male/unsexed; (Ref. 57911); 91.0 cm TL (female)
Southwest Atlantic: southern Brazil to Argentina.
This species is found throughout the year in coastal waters.
Soto, J.M.R., 2001. Annotated systematic checklist and bibliography of the coastal and oceanic fauna of Brazil. I. Sharks. Mare Magnum 1(1):51-119.
IUCN Red List Status (Ref. 90363)
CITES (Ref. 94142)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00331 - 0.02635), b=3.02 (2.77 - 3.27), based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 4.0 ±0.6 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Very Low, minimum population doubling time more than 14 years (Fec=3-9).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (50 of 100) .