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.

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (hajar och rockor) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Rhinobatidae (Guitarfishes)
  More on author: Norman.

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

; marina bottenlevande; djupintervall ? - 100 m (Ref. 5578).   Subtropical; - 32°S

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

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

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 120 cm TL hane/ej könsbestämd; (Ref. 5578)

Short description Morfologi | Morfometri

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).

Biologi     Ordlista (t.ex. 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 Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

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).

Main reference Upload your references | referenser | Koordinator : McEachran, John | Medarbetare

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

IUCN Red List Status (Ref. 123251)

  Endangered (EN) (A2d); Date assessed: 25 April 2018

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fiskeri: husbehovsfiske; sportfisk: ja
FAO - Publication: search | FishSource |

Ytterligare information

Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
Stocks
Ekologi
Föda
Födoslag
Födointag
Näringsinnehåll
Populärnamn
synonymer
Metabolik
Predatorer
Ekotoxikologi
Reproduktion
Könsmognad
Lek
Spawning aggregation
Fecundity
Ägg
Egg development
Age/Size
Tillväxt
Length-weight
Length-length
Length-frequencies
Morfometri
Morfologi
Larver
Larvdynamik
Rekrytering
Abundans
BRUVS
referenser
Vattenbruk
Vattenbruksprofil
Avelslinjer
Genetik
Allelfrekvenser
Ärftlighet
Sjukdomar
Behandling
Nutrients
Mass conversion
Medarbetare
Bilder
Stamps, Coins Misc.
Ljud
Ciguatera
Hastighet
Simsätt
Gälyta
Otoliths
Hjärnstorlek
Syn

Verktyg

Special reports

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Internet-källor

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | 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, sök | 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).
Trofisk nivå (Ref. 69278):  3.7   ±0.60 se; based on food items.
Resiliens (Ref. 120179):  Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Fec=2).
Vulnerability (Ref. 59153):  High vulnerability (61 of 100) .
Price category (Ref. 80766):   Low.