Acroteriobatus leucospilus, Grayspottted guitarfish : fisheries, gamefish

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Acroteriobatus leucospilus (Norman, 1926)

Grayspottted guitarfish
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Image of Acroteriobatus leucospilus (Grayspottted guitarfish)
Acroteriobatus leucospilus
Picture by Henlé, C.

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

Elasmobranchii (Haie und Rochen) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Rhinobatidae (Guitarfishes)
  More on author: Norman.

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

; seewasser demersal; tiefenbereich ? - 100 m (Ref. 5578).   Subtropical; - 32°S

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

Western Indian Ocean: southern Mozambique to off central Transkei, South Africa (Ref. 5578, 11228).

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 120 cm TL Männchen/unbestimmt; (Ref. 5578)

Kurzbeschreibung Morphologie | Morphometrie

A guitarfish with a broad, wedge-shaped snout and pectoral disc (Ref. 5578). Brown above, with large blue-grey spots on back and pectoral fins and symmetrical blue-grey bands on snout; few dark brown spots on back; white below (Ref. 5578).

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

Found inshore from the surf line to a depth of 100 m (Ref. 5578, 11228). Common length 92-96 cm TL; males and females mature at about 56 cm TL and birth size ca. 25 cm TL (Ref. 114953). Feeds on bivalves, gastropods, shrimps, crabs and small bony fishes (Ref. 5578). Ovoviviparous (Ref. 50449). Flesh esteemed (Ref. 3919).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). Bears 2 to 4 young (Ref. 5578).

Hauptreferenz Upload your references | Referenzen | Koordinator : McEachran, John | Partner

van der Elst, R., 1981. A guide to the common sea fishes of southern Africa. C. Struik, Cape Town. 367 p. (Ref. 3670)

IUCN Rote Liste Status (Ref. 123251)

  stark gefährdet (EN) (A2d); Date assessed: 25 April 2018

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: kleinfischerei; Sportfisch: ja
FAO - Publication: search | FishSource |

Mehr Information

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Tools

Zusatzinformationen

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Internet Quellen

Aquatic Commons | BHL | Cloffa | 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

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00174 - 0.00574), b=3.10 (2.94 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  3.7   ±0.60 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Fec=2).
Verwundbarkeit (Ref. 59153):  High vulnerability (61 of 100) .
Preiskategorie (Ref. 80766):   Low.