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Squalus longispinis Fricke, Durville, Potin & Mulochau, 2023

La Réunion longspine spurdog
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Image of Squalus longispinis (La Réunion longspine spurdog)
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drawing shows typical species in Squalidae.

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (haaien en roggen) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Squalidae (Dogfish sharks)
Etymology: Squalus: Genus name from Latin 'squalus' meaning shark (Ref. 6885, 27436).

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

marien bathydemersaal; diepte 900 - 1000 m (Ref. 130122). Tropical

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

Western Indian Ocean: Réunion.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 73.0 cm TL mannelijk / geslacht onbekend; (Ref. 130122)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Wervels: 112. This species is distinguished from its congeners by the following set of characters: snout short, preorbital length 8.2% of total length (TL), prenarial length in inner nostril-narial furrow space 0.86; body very high, with abdomen height 16.4% of TL, head height in trunk height 0.5; dorsal fin begin vertical above posterior lobes of pectoral fin; second dorsal fin at the middle between anal and caudal fins; first and second dorsal-fin spines are long, the first 5.8% of TL and second 5.3% of TL; flank denticles are tricuspid; vertebrae, monospondylous 37, precaudal 86, caudal 26, total 112; upper caudal-fin lobe broad; caudal fin distally with a narrow, light grey margin (Ref. 130122).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator : Compagno, Leonard J.V. | Medewerkers

Fricke, R., P. Durville, G. Potin and T. Mulochau, 2023. Squalus longispinis, a new species of spurdog (Elasmobranchii: Squalidae) from La Réunion, southwestern Indian Ocean. Taxa (Journal of Taxonomy and Systematics) 2:1-21. (Ref. 130122)

Status op de Rode Lijst van het IUCN (Ref. 130435)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: van geen belang
FAO - Publication: search | FishSource |

Meer informatie

Trophic ecology
Voedselitems
Diet compositions
Food consumptions
Food rations
Predatoren
Ecology
Ecologie
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Lengtefrequenties
Mass conversions
Recruitments
Abundances
Life cycle
Voortplanting
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
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Larven
Larvale populatiedynamiek
Distribution
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Internetbronnen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Bekijk FishWatcher | CISTI | Catalog of Fishes: Genus, Soort(en) | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoom, 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: ga naar, zoek | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = No PD50 data   [Uniqueness, from 0.5 = low to 2.0 = high].
Trofisch niveau (Ref. 69278):  4.3   ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (49 of 100).