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| Scientific Name |
Lampetra spadicea |
| Classified By |
Bean, 1887 |
| Common Name |
Mexican lamprey |
| Class |
Lampreys (Cephalaspidomorphi) |
| Order |
Lampreys (Petromyzontiformes) |
| Family |
Lampreys (Petromyzontidae) |
| Biology |
Parasitic freshwater species. Found in streams, rivers, and lakes over substrates of firm mud, silt, and rock. Ammocoete larval stage duration is four years. |
| Climate |
Tropical |
| Water Temperature From - Celcius |
Unknown °C |
| Water Temperature To - Celcius |
Unknown °C |
| Depth From - meters |
Unknown
m |
| Depth To - meters |
Unknown
m |
| Zone |
demersal |
| Distribution |
North America: Celio, Duero and Lerma rivers and Lake Chapla, Mexico. |
| Region |
North America |
| Range |
21°N - 19°N |
| Maximum Length |
26.5
cm |
| Common Length |
Unknown
cm |
| Environment |
Freshwater; demersal; non-migratory |
| Vulnerability |
Moderate vulnerability (44 of 100) |
| Resilience |
Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2-4; Fec=6,600-9,100) |
| Threat To Humans |
Harmless |
| IUCN Red List Status |
Critically Endangered (CR)(A2ce) |
| Human Uses |
Unknown |
| Phylogenetic Diversity Index |
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes) |
| Trophic Level |
4.2 s.e. 0.73 Based on food items. |
| Is kept in Aquariums |
False |
| Occurs in Marine / Salt water |
False |
| Occurs in Brackish water |
False |
| Occurs in Fresh Water |
True |
| Occurs on Reefs |
False |