| Ocellated electric ray | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Torpediniformes |
| Family: | Narcinidae |
| Genus: | Diplobatis |
| Species: | D. ommata
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| Binomial name | |
| Diplobatis ommata (D. S. Jordan & C. H. Gilbert, 1890)
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| Range of the ocellated electric ray[1] | |
| Synonyms | |
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Discopyge ommata D. S. Jordan & Gilbert, 1890
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The ocellated electric ray or bullseye electric ray (Diplobatis ommata) is a species of electric ray in the family Narcinidae, native to the shallow inshore waters of the eastern central Pacific from the Gulf of California to Ecuador. Reaching 25 cm (9.8 in) in length, this species has a rounded pectoral fin disc and pelvic fins with convex margins. Its short and thick tail bears two dorsal fins and terminates in a triangular caudal fin. The ocellated electric ray is named for the distinctive large eyespot on the middle of its disc, consisting of a black or yellow center surrounded by concentric rings. Its dorsal coloration is otherwise highly variable, ranging from plain to ornately patterned on a light to dark brown background. The front part of its disc is darker brown.
Solitary and nocturnal in nature, the ocellated electric ray is a bottom-dweller found in sandy and rocky habitats. It moves along the bottom by "hopping" on its pelvic fins, and feeds on small crustaceans and polychaete worms. For defense, it can generate an electrical discharge from its electric organs. This species probably bears live young that are sustained by yolk and later histotroph ("uterine milk") during gestation. The International Union for Conservation of Nature (IUCN) has listed the ocellated electric ray as least concern. It is susceptible to the heavy trawling activity within its limited range.
- ^ a b Pollom, R.; Bizzarro, J.; Burgos-Vázquez, M.I.; Avalos, C.; Cevallos, A.; Espinoza, M.; González, A.; Herman, K.; Mejía-Falla, P.A.; Morales-Saldaña, J.M.; Navia, A.F.; Pérez Jiménez, J.C.; Sosa-Nishizaki, O. (2020). "Diplobatis ommata". IUCN Red List of Threatened Species. 2020: e.T61403A124456804. doi:10.2305/IUCN.UK.2020-3.RLTS.T61403A124456804.en. Retrieved 16 November 2021.