Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Synbranchiformes (Spiny eels) > Mastacembelidae (Spiny eels)
Etymology: Macrognathus: Greek, makros = great + Greek, gnathos = jaw (Ref. 45335).
More on author: Hamilton.

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; brackish; benthopelagic. Tropical; 38°N - 8°N

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Pakistan, India, and Bangladesh. Reported from Nepal (Ref. 9496).

Length at first maturity / Size / Weight / Age

Maturity: L_m 11.5, range 11 - 12 cm
Max length : 18.9 cm TL male/unsexed; (Ref. 125887); max. published weight: 34.52 g (Ref. 125887)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 24 - 26; Dorsal soft rays (total): 30 - 42; Anal soft rays: 31 - 46.

Inhabits slow and shallow waters of rivers of plains and estuaries; never available above an altitude of 366 m. Also found in canals, streams, beels, ponds and inundated fields (Ref. 1479). Has been placed into aquaria and kept by hobbyists; it stays on the bottom and spawns in the upper water-level. The more slender and generally smaller males pursue the female in courtship; several males may join in.

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Talwar, P.K. and A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. Volume 2. A.A. Balkema, Rotterdam, i-xxii + 543-1158, 1 pl. (Ref. 4833)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 23 January 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: minor commercial

FAO - Publication: search | FishSource |

More information

Trophic ecology
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Ecology
Ecology

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Anatomy
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Physiology
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Visual pigment(s)
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Internet sources

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00407 (0.00318 - 0.00521), b=3.02 (2.96 - 3.08), in cm total length, based on LWR estimates for this species (Ref. 93245).

Trophic level (Ref. 69278): 3.5 ±0.51 se; based on food items.

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (K=1.0-1.7).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Price category (Ref. 80766): Unknown.

Nutrients (Ref. 124155): Calcium = 354 [225, 712] mg/100g; Iron = 2.41 [1.44, 4.14] mg/100g; Protein = 17.6 [16.2, 18.9] %; Omega3 = 0.173 [0.085, 0.348] g/100g; Selenium = 52.6 [24.3, 111.0] μg/100g; VitaminA = 31.9 [13.8, 72.4] μg/100g; Zinc = 1.43 [1.06, 1.97] mg/100g (wet weight); based on nutrient studies.

Macrognathus pancalus Hamilton, 1822