Eridacnis radcliffei, Pygmy ribbontail catshark

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Eridacnis radcliffei Smith, 1913

Pygmy ribbontail catshark
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Eridacnis radcliffei   AquaMaps   Data sources: GBIF OBIS
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Image of Eridacnis radcliffei (Pygmy ribbontail catshark)
Eridacnis radcliffei
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Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (haaien en roggen) (sharks and rays) > Carcharhiniformes (Ground sharks) > Proscylliidae (Finback catsharks)
Etymology: Eridacnis: Greek, eri = very + Greek, dakno = to bite (Ref. 45335).  More on author: Smith.

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

; marien bathydemersaal; diepteverspreiding 71 - 766 m (Ref. 10004).   Deep-water; 22°N - 10°S

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

Indo-West Pacific: widely distributed but with spotty records from Tanzania, the Gulf of Aden, India (Gulf of Mannar, Bay of Bengal), Andaman Islands, Viet Nam, and the Philippines. The immense range of this species is striking compared to the limited ranges of other members of the genus.

Length at first maturity / Size / Gewicht / Leeftijd

Maturity: Lm ?, range 15 - 16 cm
Max length : 23.0 cm TL mannelijk/geslacht niet bekend; (Ref. 244); 24.0 cm TL (female)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 0; Anale stekels 0; Anale zachte stralen: 0. Caudal fin without a rippled dorsal margin and ventral lobe but with a strong subterminal notch; vertebral axis of caudal fin little raised above body axis (Ref. 13566). Dark brown with blackish markings on dorsal fins (Ref. 13566).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Occurs over muddy bottoms, on the upper continental and insular slopes and outer shelves (Ref. 244). Feeds mainly on small bony fishes and crustaceans, with squid a lesser item in the diet (Ref. 244). One of the two smallest living sharks (Ref. 13566). Ovoviviparous (Ref. 50449), with 1 to 2 pups in a litter (Ref. 244).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Ovoviviparous, embryos feed solely on yolk (Ref. 50449). 1-2 pups per litter, size at birth about 11 cm (Ref. 244).

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

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)

Status op de Rode Lijst van het IUCN (Ref. 123251)

  Niet bedreigd (LC) ; Date assessed: 24 April 2018

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless (Ref. 13566)





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Estimates based on models

Preferred temperature (Ref. 115969): 9.3 - 18.6, mean 12.7 °C (based on 254 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 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):  4.1   ±0.3 se; based on diet studies.
Weerstandsvermogen (Ref. 120179):  zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Fec=1).
Kwetsbaarheid (Ref. 59153):  Low vulnerability (13 of 100) .
Nutrients (Ref. 124155):  Calcium = 18.8 [3.0, 76.2] mg/100g ; Iron = 0.305 [0.075, 0.916] mg/100g ; Protein = 17.6 [15.6, 19.7] % ; Omega3 = 0.259 [0.102, 0.636] g/100g ; Selenium = 9.94 [2.60, 31.40] μg/100g ; VitaminA = 56.3 [13.4, 231.1] μg/100g ; Zinc = 0.423 [0.198, 0.961] mg/100g (wet weight);