Elasmobranchii (sharks and rays) > Carcharhiniformes
(Ground sharks) > Proscylliidae
Etymology: Eridacnis: Greek, eri = very + Greek, dakno = to bite (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 400 - 650 m (Ref. 55584), usually - m (Ref. ). Deep-water; 0°C -
Western Central Atlantic: apparently confined to a limited area in the Florida Straits and off the north coast of Cuba.
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)
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. 124695)
Threat to humans
Fisheries: of no interest
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 8.3 - 14.6, mean 10.6 °C (based on 47 cells).
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), in cm total length, 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. 120179
): Very Low, minimum population doubling time more than 14 years (Fec=2).
Vulnerability (Ref. 59153
): Very high vulnerability (82 of 100) .