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 . Solitary or in small groups, gathers in shallow bays, lagoons, and off beaches. Feeds on small sand-dwelling crustaceans, worms and mollusks. Ovoviviparous , with 1 to 15 pups in a litter , mainly in August . Possesses ampullary electroreceptors with a region of maximum sensitivity of 5-15 Hz .
Physical description for Thornback guitarfish is currently being compiled.
Behavioural data for Thornback guitarfish is currently being reviewed.
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 .
Marine; demersal; depth range 0 - 137 m . Subtropical; 38°N - 23°N, 124°W - 108°W
small sand-dwelling crustaceans, worms and mollusks
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Platyrhina triseriata | Jordan & Gilbert | 1880 | Synonym |
| Platyrhinoides triseriata | Jordan & Gilbert | 1880 | Synonym |
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .
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