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Macrognathus aculeatus (Bloch, 1786)

Lesser spiny eel
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Image of Macrognathus aculeatus (Lesser spiny eel)
Macrognathus aculeatus
Photo von Roberts, T.R.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

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

Environment: milieu / climate zone / Tiefenbereich / distribution range Ökologie

; süßwasser; brackwasser benthopelagisch; pH range: 6.5 - 7.5; dH range: ? - 15; potamodrom (Ref. 51243). Tropical; 23°C - 28°C (Ref. 1672)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Punkt Karte | Einführungen | Faunafri

Asia: Thailand, Malay Peninsula, Borneo and Indonesia. Reported from Bangladesh (Ref. 1479) and Nepal (Ref. 9496); India (Ref. 43634); Viet Nam (Ref. 89724).

Size / Gewicht / Alter

Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 38.0 cm TL Männchen/unbestimmt; (Ref. 2073)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 14 - 20; Rückenflossenweichstrahlen (insgesamt) : 52 - 56; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 50 - 54. Body with series of obliquely oriented bars (Ref. 39392). Dorsal and anal fins with a row of isolated spines followed by a long continuous soft portion, both fins extending to but not confluent with caudal fin. Pelvic fins absent. Caudal fin rounded (Ref. 4792).
Body shape (shape guide): eel-like; Cross section: compressed.

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Adults occur in medium to large-sized rivers (Ref. 12975). Found in lowland wetlands and peats. Uncommonly seen in aquarium trades (Ref. 57235).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Produces a minimum of 1000 eggs (Ref. 1672).

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Roberts, T.R., 1989. The freshwater fishes of Western Borneo (Kalimantan Barat, Indonesia). Mem. Calif. Acad. Sci. 14:210 p. (Ref. 2091)

IUCN Rote Liste Status (Ref. 130435: Version 2024-2)

  nicht bedroht (LC) ; Date assessed: 11 December 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: weniger kommerziell; Aquarium: Kommerziell
FAO - Publication: search | FishSource |

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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | Nationale Datenbanken | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Gehe zu, Suchen | World Records Freshwater Fishing | Zoological Record

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=0.00372 (0.00286 - 0.00483), b=2.99 (2.93 - 3.05), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophic level (Ref. 69278):  3.3   ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 120179):  mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Fec>1000).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (28 of 100). 🛈
Preiskategorie (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 210 [137, 386] mg/100g; Iron = 1.84 [1.13, 3.19] mg/100g; Protein = 17.5 [16.1, 18.9] %; Omega3 = 0.148 [0.075, 0.280] g/100g; Selenium = 54.4 [27.3, 109.2] μg/100g; VitaminA = 26.3 [11.8, 56.9] μg/100g; Zinc = 1.15 [0.86, 1.53] mg/100g (wet weight); based on nutrient studies.