| General information |
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Raja clavata Linnaeus, 1758 |
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| Common name | Thornback ray |
| Synonyms |
Raia rubus Bloch, 1784 Raja rubus Bloch, 1784 Cephaleutherus maculatus Rafinesque, 1810 Raia aspera Risso, 1810 Raja aspera Risso, 1810 Hieroptera abredonensis Fleming, 1841 Raja capensis Muller & Henle, 1841 Raja leiobatos Gronow, 1854 Raia rhizacanthus Regan, 1906 Raja bonaespeiensis Fowler, 1910 Raja pontica Pallas, 1914 |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Saltwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Chondrichthyes; Elasmobranchii; Batoidea; Rajiformes; Rajidae. |
| Geographical distribution |
Israel; Egypt; Syria; Lebanon; Turkey; Russia; South Africa; Madagascar; Algeria; Angola; Libya; Morocco; Nigeria; Namibia; Cameroon; Ghana; Mauritania; Ivory Coast; Liberia; Senegal; Guinea; Sierra Leone; UK; Germany; France; Spain; Portugal; Italy; Greece; Bulgaria; Ukraine; Romania; Norway; Sweden; Denmark; Iceland; Ireland; Belgium; Netherlands; Albania; Bosnia and Herzegovina; Croatia; Cyprus; Faroe Islands; Gibraltar; Isle of Man; Malta; Monaco; Montenegro; Poland; Slovenia; Benin; Democratic Republic of the Congo; Republic of the Congo; Equatorial Guinea; Gabon; Gambia; Mauritius; Sao Tome and Principe; Togo; Tunisia; Western Sahara |
| Occurrence |
native: Israel; native: Egypt; native: Syria; native: Lebanon; native: Turkey; native: Russia; questionable: South Africa; native: Madagascar; native: Algeria; native: Angola; native: Libya; native: Morocco; native: Nigeria; questionable: Namibia; native: Cameroon; native: Ghana; native: Mauritania; native: Ivory Coast; native: Liberia; native: Senegal; native: Guinea; native: Sierra Leone; native: UK; native: Germany; native: France; native: Spain; native: Portugal; native: Italy; native: Greece; native: Bulgaria; native: Ukraine; native: Romania; native: Norway; native: Sweden; native: Denmark; native: Iceland; native: Ireland; native: Belgium; native: Netherlands; native: Albania; native: Bosnia and Herzegovina; native: Croatia; native: Cyprus; native: Faroe Islands; native: Gibraltar; native: Isle of Man; native: Malta; native: Monaco; native: Montenegro; native: Poland; native: Slovenia; native: Benin; native: Democratic Republic of the Congo; native: Republic of the Congo; native: Equatorial Guinea; native: Gabon; native: Gambia; questionable: Mauritius; native: Sao Tome and Principe; native: Togo; native: Tunisia; native: Western Sahara |
| Importance |
Food/Sports |
| Remarks |
Not reported |
| Karyological information |
| Geographical area of study |
Sea Area west of Lysekil, Bohuslan, Sweden |
| Source of chromosomes |
Testes and Kidney |
| Number of specimens with sex |
Not reported |
| Diploid chromosome number |
98 |
| Karyotype formula |
49 bivalents |
| Fundamental arm number |
Not reported |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
Not reported |
| Reference |
Nygren A,Nilsson B, Jahnke M (1971). Cytological studies in Hypotremata and Pleurotremata (Pisces). Hereditas 67: 275-282. |
| Cross Link |