lamprey

lamprey

Observation - lamprey . Description: Eel like fish with fin on tail only. No pectoral fins and 7 gill arches not covered by ?operculum, approx 15cm, long sucker instead of normal jaws

Eel like fish with fin on tail only. No pectoral fins and 7 gill arches not covered by ?operculum, approx 15cm, long sucker instead of normal jaws