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Mustelus norrisi Springer, 1939 Narrowfin smooth-hound |
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photo by
Harris, M. |
| Family: | Triakidae (Houndsharks), subfamily: Triakinae | |||
| Max. size: | 110 cm TL (male/unsexed); max.weight: 14 kg | |||
| Environment: | demersal; marine; depth range 1 - 100 m | |||
| Distribution: | Western Atlantic: Florida, USA and the northern Gulf of Mexico to Venezuela; also southern Brazil. | |||
| Diagnosis: | ||||
| Biology: | Found on the continental shelves, on muddy or sandy bottoms to about 80 m depth. Feeds on crabs and shrimps, and also bony fishes. Viviparous (with a yolk-sac placenta), with 7 to 14 young in a litter. Size at birth 30 cm. | |||
| IUCN Red List Status: | Near Threatened (NT); Date assessed: 21 June 2019 (A2bd) Ref. (130435) | |||
| Threat to humans: | harmless | |||