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| Scientific Name |
Petromyzon marinus |
| Classified By |
Linnaeus, 1758 |
| Common Name |
Sea lamprey |
| Class |
Lampreys (Cephalaspidomorphi) |
| Order |
Lampreys (Petromyzontiformes) |
| Family |
Lampreys (Petromyzontidae) |
| Biology |
Vertebrae: 0. Anguilliform body. Presence of 7 branchial openings. Two separated dorsal fins, the second continuous with the caudal fin. Number of myomeres: 67-74. Brown-yellow colored on the dorsal and lateral part of the body, with black marblings. |
| Climate |
Temperate |
| Water Temperature From - Celcius |
5 °C |
| Water Temperature To - Celcius |
20 °C |
| Depth From - meters |
1
m |
| Depth To - meters |
2200
m |
| Zone |
demersal |
| Distribution |
Northeast Atlantic: Norway including Iceland and the Barents Sea, south to northern Africa. Throughout the western Mediterranean but absent from eastern Mediterranean and the Black Sea. Western Atlantic: Labrador, Canada to Gulf of Mexico in Florida, USA. Landlocked in Great Lakes, Finger Lakes, Oneida Lake and Lake Champlain, Canada/USA. Appendix III of the Bern Convention . |
| Region |
Northeast Atlantic |
| Range |
72°N - 25°N, 82°W - 27°E |
| Maximum Length |
120
cm |
| Common Length |
60.0
cm |
| Environment |
Marine; freshwater; brackish; demersal; anadromous ; depth range 1 - 2200 m |
| Vulnerability |
High to very high vulnerability (72 of 100) |
| Resilience |
Low, minimum population doubling time 4.5 - 14 years (K 0.16; tm=5-12; Relative Fec = 233) |
| Threat To Humans |
Harmless |
| IUCN Red List Status |
Least Concern (LC) |
| Human Uses |
Fisheries: minor commercial |
| Phylogenetic Diversity Index |
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes) |
| Trophic Level |
4.36999988555908 s.e. 0.85 Based on food items. |
| Is kept in Aquariums |
False |
| Occurs in Marine / Salt water |
True |
| Occurs in Brackish water |
True |
| Occurs in Fresh Water |
True |
| Occurs on Reefs |
False |