>
Anguilliformes (Eels and morays) >
Muraenidae (Moray eels) > Muraeninae
Etymology: Gymnothorax: Greek, gymnos = naked + Greek, thorax, -akos = breast (Ref. 45335); elaineheemstrae: Named after Mrs Elaine Heemstra (NRF-SAIAB Honorary Research Associate) for her tremendous support in mentoring the first author in fish taxonomy.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien demersaal; diepte ? - 40 m (Ref. 123145). Tropical
Western Indian Ocean: South Africa.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 71.0 cm TL mannelijk / geslacht onbekend; (Ref. 123145)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Wervels: 136. This species is distinguished by the following characters: dorsal-fin origin is anterior to gill opening; anal-fin origin just behind anus; body with mottled and faintly reticulated color pattern on a dark brown background; long intermaxillary canines 3, in a median row; vomerine teeth small, in a single row; maxillary teeth biserial; vertebral count: predorsal 3-5, preanal 54-58, total 134-136 (Ref. 123145).
Cross section: oval.
Occurs in rock, intertidal and tide pools and sand bottoms (Ref. 123145).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Sithole, Y., D.G. Smith, M. Mwale and G. Gouws, 2020. A taxonomic revision of Gymnothorax undulatus (Anguilliformes: Muraenidae) in the Western Indian Ocean, with description of a new species. Zootaxa 4767(1):161-181. (Ref. 123145)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van potentieel belang
Tools
Speciale rapporten
Download XML
Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
4.0 ±0.6 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Moderate to high vulnerability (51 of 100). 🛈 |