Frecklefin eel (Macrognathus maculatus) fish species and information / pictures of Frecklefin eel - Macrognathus maculatus

Frecklefin eel (Macrognathus maculatus) fish species information

Scientific Name
Macrognathus maculatus

Common Name
Frecklefin eel

Biology
Inhabits streams in lowland and upland areas (Ref. 56749) and peats (Ref. 57235). Found in shaded forest streams with acidic water and dense growth of submerged vegetation and leaf litter beds (Ref. 85309). Tends to hide among vegetation (Ref. 85309). Often occurs in clear water over rocky bottom in flowing streams. Feeds on bottom-dwelling insect larvae, worms (Ref. 12693) and crustaceans (Ref. 56749).

Classification

Classified By

Cuvier, 1832

Class

Ray-finned fishes (Actinopterygii)

Order

Spiny eels (Synbranchiformes)

Family

Spiny eels (Mastacembelidae)

Distribution

Region

Asia

Distribution

Asia: Cambodia and Viet Nam to Malaysia.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic

Trophic Level

3.25 s.e. 0.40 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

True

Physical Size and Genetics

Maximum Length

28.0 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

Aquarium: commercial

Vulnerability

Low to moderate vulnerability (35 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.3)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated