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Caspiomyzon graecus (Renaud & Economidis, 2010) Epirus brook lamprey |
| Family: | Petromyzontidae (Northern lampreys), subfamily: Lampetrinae | |||
| Max. size: | 18.9 cm TL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | Europe: Greece. Endemic to the Epirus Periphery, Greece, being found only in the Loúros River and one of its tributaries, Filippiás Brook (Ref. 84195). | |||
| Diagnosis: | Eudontomyzon graecus is distinguished from its European congeners by possessing the following character states: nonparasitic mode of life; adults with large, blunt labial teeth covering all fields in a pavement-like arrangement; one or more bicuspid teeth in the first anterial row; two or more bicuspid teeth in the first posterial row; 7-11 teeth on the infraoral lamina; endolateral formula, 2-2-2; 2-5 velar tentacles without wings; ammocoetes and adults with 53-61 trunk myomeres; rounded caudal fin; relatively longer tail length against TL; ammocoetes with relatively shorter trunk length against TL; weakly pigmented (i.e., +) upper lip; unpigmented tongue precursor bulb; unpigmented areas lateral to the tongue precursor elastic ridge (Ref. 84195). | |||
| Biology: | ||||
| IUCN Red List Status: | Critically Endangered (CR); Date assessed: 02 September 2023 (B2ab(iii)) Ref. (130435) | |||
| Threat to humans: | harmless | |||