Elasmobranchii (sharks and rays) > Carcharhiniformes
(Ground sharks) > Pentanchidae
Etymology: Parmaturus: Latin, parma, -ae = a little shield + Greek, oura = tail; nigripalatum: Name from Latin 'nigri' meaning black or dark and 'palatum' for roof of mouth; referring to the roof of its mouth which is very distinctive for its blackish color.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 170 - 190 m (Ref. 119153), usually - m (Ref. ). Tropical; 0°C -
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Eastern Indian Ocean: Indonesia (Sumbawa I.); possibly be more widespread in the region.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 54.8 cm TL male/unsexed; (Ref. 119153)
Morphology | Morphometrics
This moderate-sized species is distinguished by the following characters: slender body has soft-velvety skin, where dermal denticles on side and upper body are tricuspidate; coloration of body uniformly plain medium brown; head slightly depressed; snout is relatively short; mouth curved, the upper and lower labial furrows are conspicuous with the uppers and lowers of equal lengths; roof of mouth blackish with darker pores; teeth are mainly tricuspidate with greatly elongate median cusps, about 50 rows in both jaws; origin of the first dorsal fin is posterior to the insertion of the pelvic fins, pre-first dorsal fin is slightly posterior of body mid-length; origin of the second dorsal fin is posterior to mid-length of anal fin base; pelvic fins origin and vent are slightly posterior to midlength; second dorsal fin is slightly larger than first; caudal peduncle is relatively short, pronounced caudal crests on upper and lower anterior caudal fin margins has enlarged denticles; vertebral counts monospondylous centra 42, precaudal centra 90 (Ref. 119153).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Fahmi and D.A. Ebert, 2018. Parmaturus nigripalatum n. sp., a new species of deep-sea catshark (Chondrichthyes: Carcharhiniformes: Scyliorhinidae) from Indonesia. Zootaxa 4413(3):531-540. (Ref. 119153)
IUCN Red List Status (Ref. 124695)
Threat to humans
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 4.0 ±0.4 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low to moderate vulnerability (27 of 100) .