Peacock eel (Macrognathus siamensis)

Scientific name: Macrognathus siamensis G?nther, 1861

Peacock eel (Macrognathus siamensis)

The Peacock eel (Macrognathus siamensis) is a freshwater fish of the family Mastacembelidae. Native range: Asia, Mekong, Chao Phraya, Maeklong, Peninsular and Southeast Thailand river systems.

Biology

Dorsal spines (total): 13 - 19; Dorsal soft rays (total): 53; Anal soft rays: 49; Vertebrae: 75. Distinguishable by its dorsal spine count of 13-19 and a series of 3-6 conspicuous ocelli along the base of the soft dorsal fin. The ocelli along the base of the dorsal fin are much larger than those in M. aral and the dorsal and caudal fins lack the fine striations seen in M. aral and M. meklongensis. Dorsal, caudal and anal fins not fused.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Macrognathus siamensis
Family
Mastacembelidae (Spiny eels)
Order
Synbranchiformes (Spiny eels)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
30.0
Environment
Freshwater; benthopelagic
Climate
Tropical
Distribution
Asia: Mekong, Chao Phraya, Maeklong, Peninsular and Southeast Thailand river systems.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: commercial; aquarium: commercial
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

More oddballs & predators

See all oddballs & predators

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

Last updated