Dipturus johannisdavisi, Travancore skate

Dipturus johannisdavisi (Alcock, 1899)

Travancore skate
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Image of Dipturus johannisdavisi (Travancore skate)
Dipturus johannisdavisi
Picture by Mullasseri, S.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).
Eponymy: John Davis (1550–1605), an English navigator, is better remembered for having a strait rather than a skate named after him: the Davis Strait between Greenland and Labrador. [...] (Ref. 128868), visit book page.
More on author: Alcock.

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

Marine; bathydemersal; depth range 220 - 660 m (Ref. 114953). Deep-water; 15°N - 8°S, 40°E - 94°E (Ref. 114953)

Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Indian Ocean: Gulf of Aden and Travancore coast in India. Questionably from near Zanzibar, Tanzania.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 54.0 cm TL male/unsexed; (Ref. 114953)

Biology     Glossary (e.g. epibenthic)

Inhabits upper continental slope (Ref. 114953). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Minimum depth from Ref. 58018.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

Main reference Upload your references | References | Coordinator : McEachran, John | Collaborators

McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)

IUCN Red List Status (Ref. 130435: Version 2025-2)

  Data deficient (DD) ; Date assessed: 24 April 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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References

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E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Catch-MSY |

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |