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Platyrhinoidis triseriata  (Jordan & Gilbert, 1880)

Thornback guitarfish
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Platyrhinoidis triseriata   AquaMaps   Data sources: GBIF OBIS
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Image of Platyrhinoidis triseriata (Thornback guitarfish)
Platyrhinoidis triseriata
Picture by Gotshall, D.W.

Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (hajar och rockor) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Rhinobatidae (Guitarfishes) > Platyrhininae
Etymology: Platyrhinoidis: Greek, platys = flat + Greek, rhinos = nose + Greek, oides = similar to (Ref. 45335).

Miljö / Klimat / Range Ekologi

; marina bottenlevande; djupintervall 0 - 137 m (Ref. 96339).   Subtropical, preferred ?; 38°N - 3°S, 124°W - 80°W

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

Eastern Pacific: San Francisco, USA to Baja California, Mexico.

Length at first maturity / Size / Vikt / Age

Maturity: Lm ?, range 48 - ? cm
Max length : 91.0 cm TL hane/ej könsbestämd; (Ref. 2850)

Biologi     Ordlista (t.ex. epibenthic)

Inhabits fine sand to mud bottom, often near kelp beds and sometimes abundant on mud flats of coastal bays. Often buries itself in bottom sediments. Ranges from the intertidal zone to 50 m depth (Ref. 12951). Solitary or in small groups (Ref. 12951). Feeds on small sand-dwelling crustaceans, worms and mollusks. Ovoviviparous (Ref. 50449), with 1 to 15 pups in a litter (Ref. 48844). Possesses ampullary electroreceptors with a region of maximum sensitivity of 5-15 Hz (Ref. 10011).

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).

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

Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless (Ref. 12951)




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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