Rhynchobatus djiddensis (Forsskål, 1775)

Giant guitarfish

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

Classification	Elasmobranchii \| Rajiformes \| Rhinobatidae \| Rhynchobatinae
Synonyms	Raja djiddensis, Rhinobatus djiddensis, Rhinobatus maculata, ... more
Common names	Poisson paille à pois, Pez cuna manchado, White-spotted guitarfish, ... more

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Image of Rhynchobatus djiddensis (Giant guitarfish)

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Compagno, L.J.V. 1986. (Ref. 3919)
Other references | Biblio | Coordinator : McEachran, John | Collaborators

Size / Weight / Age

Max length : 310 cm TL male/unsexed; (Ref. 5578); max. published weight: 227.0 kg (Ref. 3919)

Environment

Reef-associated; brackish; marine; depth range 2 - 50 m (Ref. 30573)

Climate / Range

Tropical; 35°N - 35°S

Western Indian Ocean: restricted to the Red Sea and the tropical western Indian Ocean to South Africa. Apparently misidentified with closely related species in the northern and eastern Indian Ocean and western Pacific (however, Ref. 5978 seems to present a reliable record from western Indonesia).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

A large guitarfish with large black eyespots on the pectoral bases, a distinctive black cross between the eyes, and rows of small white spots on the upper body; snout pointed and lower caudal lobe short (Ref. 5578). Olive-green above, white below (Ref. 5578). Mouths small and contain flattened, pavement-like teeth.

Occurs inshore and in shallow estuaries (Ref. 5578). Feeds on crabs, lobsters, bivalves, small fishes (Ref. 5578) and squids (Ref. 37816). Ovoviviparous (Ref. 50449). Takes crayfish and pilchard bait. Flesh with excellent taste. Fins sought after in Asian markets (Ref. 30573).


IUCN Red List Status (Ref. 57073)	Threat to humans
Vulnerable (VU) (A2d+3d+4d)	Harmless

Human uses
Fisheries: commercial; gamefish: yes; aquarium: public aquariums


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

Tools
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Length-frequency wizard \| Life-history tool \| Point map

Special reports
Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

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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 (Fec assumed to be <100)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Very high vulnerability (78 of 100)	High

Entered by Binohlan, Crispina B.

Modified by Luna, Susan M.

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Page last modified by : elaxamana, 15 July 2009

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