Elasmobranchii (sharks and rays) > Carcharhiniformes
(Ground sharks) > Proscylliidae
Etymology: Eridacnis: Greek, eri = very + Greek, dakno = to bite (Ref. 45335).
Environment / Climate / Range
Marine; bathydemersal; depth range 400 - 650 m (Ref. 55584). Deep-water
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 200 cm TL male/unsexed; (Ref. 26340); common length : 30.0 cm TL male/unsexed; (Ref. 6077)
Western Central Atlantic: apparently confined to a limited area in the Florida Straits and off the north coast of Cuba.
Found on the upper continental and insular slopes. Probably feeds on small fishes, crustaceans and cephalopods. Ovoviviparous, with two young in a litter. Size at birth over 10 cm.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Live-bearing, yolk-only (Ref. 50449).
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. 96402)
CITES (Ref. 94142)
Threat to humans
Fisheries: of no interest
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.6328 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.8 ±0.60 se; Based on food items.
Resilience (Ref. 69278
): Very Low, minimum population doubling time more than 14 years (Fec=2).
Vulnerability (Ref. 59153
): Very high vulnerability (82 of 100) .