Mexican lamprey (Lampetra spadicea) fish species and information / pictures of Mexican lamprey - Lampetra spadicea

Mexican lamprey (Lampetra spadicea) fish species information

Scientific Name
Lampetra spadicea

Common Name
Mexican lamprey

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.

Classification

Classified By

Bean, 1887

Class

Lampreys (Cephalaspidomorphi)

Order

Lampreys (Petromyzontiformes)

Family

Lampreys (Petromyzontidae)

Distribution

Region

North America

Distribution

North America: Celio, Duero and Lerma rivers and Lake Chapla, Mexico.

Range

21°N - 19°N

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; demersal; non-migratory

Trophic Level

4.2 s.e. 0.73 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

26.5 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

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)