Planonasus parini, Dwarf False Catshark

You can sponsor this page

Planonasus parini Weigmann, Stehmann & Thiel, 2013

Dwarf False Catshark
Upload your photos and videos
Pictures | Google image
Image of Planonasus parini (Dwarf False Catshark)
Planonasus parini
Female picture by Weigmann, S.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Carcharhiniformes (Ground sharks) > Pseudotriakidae (False catsharks)
Etymology: Planonasus: planus (L.), flat; nasus (L.), nose, referring to its soft, flat snout. (See ETYFish);  parini: In honor of the late Nikolai Vasil’evich Parin (1932-2012), P. P. Shirov Institute of Oceanology, Russian Academy of Sciences, ichthyologist and chief scientist of the “memorable” cruise 17 of the research vessel Vityaz in 1988/89, during which holotype was collected. (See ETYFish).

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; bathydemersal; depth range 1000 - 1120 m (Ref. 92921). Deep-water

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Northwestern Indian Ocean: off the Socotra Islands, south of Yemen and east of the Horn of Africa.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 53.4 cm TL (female); max. published weight: 560.00 g (Ref. 92921)

Short description Morphology | Morphometrics

This small deep-water pseudotriakid species is distinguished by the following set of characters: soft body; bell-shaped head with a broadly parabolic snout; preorbital snout length 1.5-1.9 times the eye length; preoral length 0.7-0.8 times the mouth width, 1.4-1.5 times the prenarial snout length; eye length 1.9-2.3 times the nostril width; relatively broad head, width at middle gill slits 10-16% of TL; preorbital snout length 1.0-1.7 times the interorbital space (integumental) and 2.1-2.3 (skeletal), respectively; head length 2.0-2.5 times the mouth width, 9.8-10.9 times the nostril width, 2.8-3.3 times the length of preventral caudal-fin margin; length of pectoral-fin anterior margin 2.1-2.2 times the pectoral base length; length of first dorsal-fin inner margin 0.4-0.5 times the pectoral-fin base length; second dorsal-fin base length 13% of TL; color: plain dusky with fins and ventral snout somewhat darker, free rear tip of first dorsal fin marked white; each jaw with about 110-120 rows of very small tri- to multicuspidate teeth; monospondylous trunk vertebrae centra 50-52, diplospondylous precaudal centra 41, total centra about 115-140 (Ref. 92921).

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Weigmann, S., M.F.W. Stehmann and R. Thiel, 2013. Planonasus parini n. g. and n. sp., a new genus and species of false cat sharks (Carchariniformes, Pseudotriakidae) from the deep northwestern Indian Ocean off Socotra Islands. Zootaxa 3609(2):163-181. (Ref. 92921)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 09 February 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Spawning aggregation
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
BRUVS
References
Aquaculture
Aquaculture profile
Strains
Genetics
Electrophoreses
Heritability
Diseases
Processing
Nutrients
Mass conversion
Collaborators
Pictures
Stamps, Coins Misc.
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Download XML

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00170 (0.00068 - 0.00426), b=3.21 (2.99 - 3.43), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.9   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (41 of 100).