Dasyatis akajei (Müller & Henle, 1841)

Red stingray

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Elasmobranchii \| Rajiformes \| Dasyatidae
Synonyms	Trygon akajei, ... more
Common names	Whip stingray, Pastenague du Pacifique, Raya látigo del Pacífico, ... more

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AquaMaps Data sources: GBIF OBIS

Main reference

Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino. 1984. (Ref. 559)
Other references | Biblio | Coordinator : McEachran, John | Collaborators

Size / Weight / Age

Max length : 200 cm TL male/unsexed; (Ref. 637); common length : 100.0 cm TL male/unsexed; (Ref. 637); max. published weight: 10.7 kg (Ref. 40637)

Environment

Demersal; oceanodromous (Ref. 51243); brackish; marine; depth range 10 - ? m (Ref. 12951)

Climate / Range

Tropical; 39°N - 18°S

Western Pacific: southern Japan to Thailand. Also known from Fiji and Tuvalu (Ref. 12596).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Disc rhomboid, anterior margin straight, posterior margin convex. Snout triangular and slightly produced. dorsal keel present on tail. Adults with small spines on disc and posterior part of tail. Brown dorsally and some with orangish pectoral fin margins, in front of eyes, behind spiracles, on the sides of the tail just anterior to the sting. Ventrum orangish red.

Found in coral reefs and estuarine areas, on sand and mud bottoms (Ref. 12951, 11230). Feeds on small fishes and crustaceans (Ref. 9840). Ovoviviparous with up to 10 in a litter (Ref. 12951). Caught occasionally by bottom trawl fisheries operating inshore. Utilized for its meat but of limited value due to its small size (Ref.58048). Served in 'miso' soup, hard boiled with seasonings, or for 'kamaboko' material (Ref. 637).


IUCN Red List Status (Ref. 57073)	Threat to humans
Near Threatened (NT)	Venomous (Ref. 637)

Human uses
Fisheries: commercial; aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (K=0.1; Fec=10)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High to very high vulnerability (74 of 100)	Medium

Entered by Luna, Susan M.

Modified by Wiethüchter, Anita

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Page last modified by : elaxamana, 15 July 2009

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