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Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Acarobythites: Greek, akari = mite + Greek, bythitis, -idos = it is at the bottom, sunken (Ref. 45335); larsonae: Named for Helen K. Larson (NTM).
Eponymy: Dr Helen K Larson was Curator of Fishes, Museum and Art Gallery of the Northern Territory, Darwin, Australia (1981–2009), retiring as Emeritus Curator, and is now a Research Associate at the Museum of Tropical Queensland, Townsville. [...] (Ref. 128868), visit book page.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien rifbewoner; diepte 0 - 3 m (Ref. 40785). Tropical
Western Central Pacific: known only from Northern Territory, Australia.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 2.5 cm SL mannelijk / geslacht onbekend; (Ref. 40785)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 73 - 79; Anale stekels: 0; Anale zachte stralen: 53 - 57; Wervels: 42 - 43. Head without scales; anal fin origin at about mid-body; eye diameter 17.8-18.0 times in HL, snout compressed; posterior end of maxillary rounded, not sheathed by dermal cheek fold, without ventrally-directed process near postero-ventral corner; opercular spine flat and weak; no pore-bearing skin flap on upper angle of opercle; lower angle of preopercle smooth; pectoral peduncle normal, broader than long; no spine on cleithrum; all teeth sharp-pointed, some needle-like; developed gill rakers on anterior arch 3.
Collected from pools on rocky reefs.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Machida, Y., 2000. A new bythitid genus and species, Acarobythites larsonae, from shallow rocky reefs off northern Australia (Pisces, Ophidiiformes, Bythitidae). Beagle, Rec. Mus. Art Galler. North. Territ. 16:123-126. (Ref. 40785)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 1.0000 [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). |
Trofisch niveau (Ref. 69278) |
3.1 ±0.5 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Assuming Fec < 100). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |