Mastacembelus armatus (Lacepède, 1800)

Zig-zag eel

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Synbranchiformes \| Mastacembelidae
Synonyms	Macrognathus armatus, Mastacembelus armatus armatus, Macrognathus caudatus, ... more
Common names	Marbled spiny eel, Tiretrack eel, Tire-track spinyeel, ... more

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Main reference

Pethiyagoda, R. 1991. (Ref. 6028)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 90.0 cm male/unsexed; (Ref. 37770); max. published weight: 500 g (Ref. 9671)

Environment

Demersal; potamodromous (Ref. 51243); freshwater; brackish; pH range: 6.5 - 7.5; dH range: ? - 15

Climate / Range

Tropical; 22°C - 28°C (Ref. 1672); 38°N - 1°N

Asia: Pakistan to Viet Nam and Indonesia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 33 - 40; Dorsal soft rays (total): 67 - 82; Anal soft rays: 67 - 83; Vertebrae: 87 - 98. Body dull brown with 1-3 darker, longitudinal zigzag lines, more or less connected to form a reticulated pattern, more or less distinct and restricted to the dorsal two thirds of the body (Ref. 27732).

Lives in highland streams to lowland wetlands (Ref. 57235). Usually found in streams and rivers with sand, pebble, or boulder substrate. Seldom leaves the bottom except when disturbed. Also occurs in still waters, both in coastal marshes and dry zone tanks. Sometimes stays partially buried in fine substrate. Enters flooded forest (Ref. 9497). Reported to occur in areas with rocky bottoms in the Mekong mainstream during the dry season, but enter canals, lakes and other floodplain areas during the flood season (Ref. 37770). Forages at night on benthic insect larvae, worms and some submerged plant material (Ref. 12693). Common during the summer months. Marketed fresh and frequently seen in the aquarium trade (Ref. 12693). Economic important species, both food and aquarium trades (Ref. 57235).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: commercial; aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Length-frequency wizard \| Life-history tool \| LifeMapper \| Point map

Special reports
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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (24 of 100)	Not marketed/unknown

Entered by Capuli, Estelita Emily

Modified by Ortañez, Auda Kareen

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