Zapteryx brevirostris, Lesser guitarfish : fisheries

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Zapteryx brevirostris (Müller & Henle, 1841)

Lesser guitarfish
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Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

Élasmobranches (requins et raies) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Trygonorrhinidae (Banjo rays, Fiddler rays)
Etymology: Zapteryx: Greek, za = an aumentative particle + Greek, pteryx, wing, fin (Ref. 45335).  More on authors: Müller & Henle.

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

; marin démersal; profondeur ? - 50 m (Ref. 114953).   Subtropical; 20°S - 40°S, 58°W - 47°W (Ref. 114953)

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Southwest Atlantic: from northern Argentina to southern Brazil.

Length at first maturity / Taille / Poids / Âge

Maturity: Lm 42.3  range ? - ? cm
Max length : 53.4 cm TL mâle / non sexé; (Ref. 115173); 59.3 cm TL (female); common length : 50.0 cm TL mâle / non sexé; (Ref. 6077); poids max. publié: 758.00 g (Ref. ); poids max. publié: 758.00 g

Description synthétique Morphologie | Morphométrie

Obtuse snout, broader heart shaped disc. Olive to brownish gray above, without definite markings, dorsal and caudal darker than general ground tint, margins of pectoral and pelvic fins paler. Lower surface grayish or yellowish white, posterior corners of pectoral fins and tips of pelvic fins more or less dusky (Ref. 6902).

Biologie     Glossaire (ex. epibenthic)

This benthic inshore species is found over soft bottoms to at least 50 m; feeds on benthic crustaceans and polychaetes. Gestation last about a year, produces litters of 1-8 pups in autumn (Ref. 114953). Ovoviviparous (Ref. 50449). Maturity size for males at 43-45 cm TL, females at 42-48 cm TL; birth size at 13-16 cm TL (Ref. 114953).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

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).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)

Statut dans la liste rouge de l'IUCN (Ref. 123251)

  Vulnérable, voir Liste Rouge IUCN (VU) (A2ab+3b+4ab); Date assessed: 31 January 2006

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: intérêt commercial mineur
FAO - Publication: search | FishSource |

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Sources Internet

Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Bases de données nationales | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00302 - 0.01202), b=2.96 (2.77 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Niveau trophique (Ref. 69278):  3.6   ±0.6 se; based on size and trophs of closest relatives
Résilience (Ref. 120179):  Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec assumed to be <100).
Vulnérabilité (Ref. 59153):  Moderate vulnerability (45 of 100) .
Catégorie de prix (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 55.1 [8.5, 191.5] mg/100g ; Iron = 1.08 [0.30, 2.97] mg/100g ; Protein = 19.3 [17.2, 21.2] % ; Omega3 = 0.407 [0.203, 0.820] g/100g ; Selenium = 24.4 [6.0, 63.0] μg/100g ; VitaminA = 11.4 [4.7, 28.7] μg/100g ; Zinc = 0.679 [0.335, 1.467] mg/100g (wet weight);