Greek brook lamprey (Caspiomyzon hellenicus) fish species and information / pictures of Greek brook lamprey - Caspiomyzon hellenicus

Greek brook lamprey (Caspiomyzon hellenicus) fish species information

Scientific Name
Caspiomyzon hellenicus

Common Name
Greek brook lamprey

Biology
A short-lived, freshwater non-parasitic lamprey which lives in shallow, clear, fairly fast-flowing brooks with gravelly substrate, some rocks and aquatic plants. Ammocoetes larvae live in detritus-rich sands and clay sediments. They are filter feeders on microorganisms, including green algae. Metamorphosis takes place in December. Reproduction takes place in January and May. Its existence is threatened by pollution and water obstruction. Maximal size up to 15.2 cm TL

Classification

Classified By

Vladykov, Renaud, Kott & Economidis, 1982

Class

Lampreys (Cephalaspidomorphi)

Order

Lampreys (Petromyzontiformes)

Family

Lampreys (Petromyzontidae)

Distribution

Region

Europe

Distribution

Europe: Endemic to Greece. Known from three creeks in the Struma drainage.

Range

42°N - 40°N, 23°E - 25°E

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

1 m

Zone

demersal

Environment

Freshwater; demersal; potamodromous; depth range 0 - 1 m

Trophic Level

3.5 s.e. 0.37 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

15.8 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low to moderate vulnerability (34 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Critically Endangered (CR)(B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v))