Rhinobatos cemiculus Geoffroy Saint-Hilaire, 1817

Blackchin guitarfish

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

Classification	Elasmobranchii \| Rajiformes \| Rhinobatidae \| Rhinobatinae
Synonyms	Rhinobatos cemiculus rasus, Rhinobatos congolensis, Rhinobatos rasus, ... more
Common names	Raie-guitare fouisseuse, Guitarra barbanegra, Sortkindet guitarfisk, ... more

You can sponsor this page

Upload your photos and videos
| All pictures | Google image |

Image of Rhinobatos cemiculus (Blackchin guitarfish)

Picture by Meyer, T.

Add your observation in Fish Watcher

| Native range | PointMap |

AquaMaps Data sources: GBIF OBIS

Main reference

Bauchot, M.-L. 1987. (Ref. 3261)
Other references | Biblio | Coordinator : McEachran, John | Collaborators

Size / Weight / Age

Max length : 242 cm TL male/unsexed; (Ref. 40637); common length : 150 cm TL male/unsexed; (Ref. 3710); max. published weight: 49.9 kg (Ref. 40637)

Environment

Demersal; brackish; marine; depth range 9 - 100 m

Climate / Range

Subtropical; 42°N - 17°S, 19°W - 36°E

Eastern Atlantic: northern Portugal to Angola, including the Mediterranean Sea.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Anal spines: 0. Rostral ridges narrowly separated, nearly joining in front; anterior nasal lobe extending little if any, posterior nasal flap narrow; spiracle with two well-developed folds of about same size; thorns present around inner margin of orbits, between spiracles, on shoulders and along midline of disc and tail; upper surface brown, underside white, but usually a blackish blotch on snout mainly in juveniles (Ref. 6675).

Inhabits sandy and muddy bottoms, from shadow water to about 100 m. Slow swimming over bottom or partially buried. Feeds on invertebrates and fishes. Ovoviviparous, one or two litters per year, of 4-6 embryos.


IUCN Red List Status (Ref. 57073)	Threat to humans
Endangered (EN) (A4bd)	Harmless

Human uses
Fisheries: minor commercial; gamefish: yes


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 Abundance	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 \| 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

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

Internet sources

Estimation of some characteristics with mathematical models

Phylogenetic diversity index (Ref. 82805)

PD₅₀ = 0.5000

Resilience (Ref. 69278)

Very Low, minimum population doubling time more than 14 years (Fec=4)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High to very high vulnerability (75 of 100)	Low

Entered by Luna, Susan M.

Modified by Casal, Christine Marie V.

Back to Search

Fish Forum

Comments & Corrections

Sign our Guest Book

PHP Fatal error: Call to undefined function generateRandomSpecies() in D:\fishbaseweb\Summary\SpeciesSummary.php on line 1897