Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 200 - 403 m (Ref. 58018), usually - m (Ref. ). Deep-water; 0°C - ; 15°N - 5°N
Indian Ocean: southernmost India, Sri Lanka, and the Andaman Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 26.0 cm TL male/unsexed; (Ref. 244); 29.0 cm TL (female)
Found on the upper continental slopes. Feeds on small fishes, squid and crustaceans. Mode of development uncertain. Not utilized at present.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 11.7 - 13.4, mean 12.3 °C (based on 9 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00331 (0.00170 - 0.00646), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 4.3 ±0.4 se; based on diet studies.
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (30 of 100) .