Elasmobranchii (sharks and rays) > Carcharhiniformes
(Ground sharks) > Carcharhinidae
Etymology: Nasolamia: Latin, nasus = nose + Greek, lamia = a monster the eats men (Ref. 45335). More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 15 - 192 m (Ref. 96339), usually 15 - 24 m (Ref. 9253). Tropical; 32°N - 18°S, 122°W - 71°W
Eastern Pacific: Baja California, Mexico and the Gulf of California to Peru.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 90 - ? cm
Max length : 150 cm TL male/unsexed; (Ref. 244)
Found inshore and offshore on the continental shelves. Feeds on small bony fish, including anchovies, and crabs. Viviparous, with 5 young in a litter. Size at birth about 53 cm. Not known to have attacked people. Utilized fresh and frozen for human consumption and processed for fishmeal.
Viviparous, placental (Ref. 50449). Five pups of about 53 cm TL in each litter (Ref. 28023). Distinct pairing with embrace (Ref. 205).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 118484)
Threat to humans
Fisheries: minor commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 20.6 - 28.4, mean 26.6 (based on 38 cells).
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00212 - 0.00984), b=3.10 (2.93 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 4.2 ±0.74 se; Based on food items.
Resilience (Ref. 120179
): Very Low, minimum population doubling time more than 14 years (Fec=5).
Vulnerability (Ref. 59153
): High vulnerability (61 of 100) .