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Atheriniformes (Silversides) >
Phallostethidae (Priapiumfishes)
Etymology: Neostethus: Greek,neos = new + Greek, stetho, stethion = brest; literal = to prick a little breast (Ref. 45335); djajaorum: Named in honor of the Rachmat Djaja and family, for their kindness and extraordinary support of the author's fieldwork in Sulawesi (Ref. 44355).
Eponymy: The Djaja family -Rachmat, Jootje and their three children (Ike, Yuni and Andi) – were honoured “...for their kindness and extraordinary support of [the authors’] fieldwork in Sulawesi.” Nothing more was recorded. (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; brackvatten pelagiska. Tropical
Western Central Pacific: Sulawesi, Indonesia.
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 1.9 cm SL hane/ej könsbestämd; (Ref. 44355)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 2; Mjukstrålar i ryggfenan (totalt) : 6; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 15; Ryggkotor: 33 - 35. Like N. robertsi and N. palawanensis, has a large second ctenactinium that is bifid distally, but distinguished from those species by having a bone larger and more distinctly claw-shaped, and extent of a bony projection and fleshy profile on the ventral margin of the first ctenactinium that abuts the claw (Ref. 44355).
Body shape (shape guide): elongated.
Collected over a muddy bottom, in a slightly turbid irrigation ditch relatively near the sea (Ref. 44355). Fertilization is internal and eggs are attached to the substrate via adhesive filaments (Ref. 43413).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Pelvic fins in males modified to form part of a complex thoracic clasping organ (Ref. 205).
Parenti, L.R., 1999. Phallostethidae. Priapium fishes. p. 2146-2148. In K.E. Carpenter and V.H. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Volume 4. Bony fishes part 2 (Mugilidae to Carangidae). FAO, Rome. (Ref. 12936)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5002 [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).
Trofisk nivå (Ref.
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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