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Isogomphodon oxyrhynchus (Valenciennes, 1839)

Daggernose shark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Isogomphodon oxyrhynchus   AquaMaps   Data sources: GBIF OBIS
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Image of Isogomphodon oxyrhynchus (Daggernose shark)
Isogomphodon oxyrhynchus
Female picture by JAMARC

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Carcharhiniformes (Ground sharks) > Carcharhinidae (Requiem sharks)
Etymology: Isogomphodon: iso-, from isos (Gr.), equal; gomphos (Gr.), nail; odon (Gr.), tooth, referring to how teeth are equally fastened, i.e., claviform and straight in both jaws. (See ETYFish);  oxyrhynchus: oxys (Gr.), sharp; rhynchus (L.), snout, referring to its elongated, pointed and narrow snout [authorship often attributed to Müller & Henle, who published Valenciennes’ description]. (See ETYFish).

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

seewasser; brackwasser demersal; tiefenbereich ? - 15 m (Ref. 13608). Tropical; 12°N - 20°S, 63°W - 34°W (Ref. 244)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Western Atlantic: Trinidad, Guyana, Suriname, French Guiana, and Brazil.

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm 115.0  range ? - ? cm
Max length : 160 cm TL Männchen/unbestimmt; (Ref. 34266); common length : 100.0 cm TL Männchen/unbestimmt; (Ref. 5217); max. veröff. Alter: 12 Jahre (Ref. 34266)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Large number of teeth, great length of very narrow snout. Yellow-gray above and white below (Ref. 6032).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

An inshore shark found over rocky bottoms, entering estuaries and river mouths. Feeds on small schooling fishes including herring, anchovies and croakers. Viviparous, generally 4 embryos per brood; size at birth 38 to 41 cm. 244 cm record unconfirmed.

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Distinct pairing with embrace (Ref. 205). Viviparous, placental (Ref. 50449).

Hauptreferenz Upload your references | Referenzen | Koordinator : Compagno, Leonard J.V. | Partner

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 Rote Liste Status (Ref. 130435)

  vom Aussterben bedroht (CR) (A2bcd); Date assessed: 01 July 2019

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless (Ref. 244)





Nutzung durch Menschen

Fischereien: kleinfischerei
FAO - Publication: search | FishSource |

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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, 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: Gehe zu, Suchen | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 27 - 27.8, mean 27.5 °C (based on 149 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00218 - 0.01003), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  4.5   ±0.80 se; based on food items.
Generation time: 10.0 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.
Widerstandsfähigkeit (Ref. 120179):  sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (K=0.11-0.12; tm=5-7; tmax=12; Fec=4).
Fishing Vulnerability (Ref. 59153):  High to very high vulnerability (74 of 100).
Preiskategorie (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 25.1 [3.3, 144.5] mg/100g; Iron = 0.725 [0.183, 2.103] mg/100g; Protein = 21.1 [18.8, 23.3] %; Omega3 = 0.16 [0.06, 0.40] g/100g; Selenium = 29.2 [7.9, 91.1] μg/100g; VitaminA = 18.4 [5.8, 57.1] μg/100g; Zinc = 0.728 [0.335, 1.386] mg/100g (wet weight);