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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Majungaichthys: Named for Majunga (Mahajanga) province of Madagascar, the type locality of the type species; simplex: Name from a Latin word meaning simple, refers to the simple pattern of the pseudoclaspers; noun in apposition.
More on authors: Schwarzhans & Møller.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande. Tropical
Western Indian Ocean: Madagascar, and probably Mauritius.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 3.7 cm SL hane/ej könsbestämd; (Ref. 76869); 4.0 cm SL (female)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 71 - 75; Mjukstrålar i analfenan: 56 - 62; Ryggkotor: 43 - 44. This species possess the following set of characters: anterior nostril low on snout, 1/4 the distance from upper lip to aggregate distance to anterior margin of eye; copulatory organ of male with 2 pairs of small pseudoclaspers, outer pseudoclasper simple, flap-like, and not much larger than simple flap-like inner pseudoclasper; small, size not much exceeding 4.0 cm SL; 12 precaudal vertebrae, 43-44 total vertebrae; D 71-79; V in D 1.9-2.1; scale patch on cheek only, none on operculum; presence of upper preopercular pore; otolith moderately elongate, its length to height 2.1-2.2, sulcus short with otolith length to sulcus length 1.9 and slightly inclined (5°), colliculi fused, sometimes incomplete with indication of distinction of ostial and caudal colliculi; maxilla expanded posteroventrally (Ref. 76869).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Schwarzhans, W. and P.R. Møller, 2007. Review of the Dinematichthyini (Teleostei: Bythitidae) of the Indo-west Pacific. Part III. Beaglichthys, Brosmolus, Monothrix and eight new genera with description of 20 new species. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 23:29-110. (Ref. 76869)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00468 (0.00186 - 0.01174), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.5 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |