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Mulliformes (Goatfishes) >
Mullidae (Goatfishes)
Etymology: Parupeneus: Latin, parum, parvum = small + Peneus, the name of a river; williamsi: Named for Dr. Jefrey T. Williams (USNM).
Eponymy: Dr Jeffrey Taylor ‘Jeff ’ Williams is Collection Manager, Ichthyology, USNM. [...] (Ref. 128868), visit book page.
Taxonomic Remarks
Common name corrected from Williams's goatfish in FishBase and William's goatfish in Ref. 130857 to Williams' goatfish (Ref. 128868).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina revassocierade; djupintervall 6 - 30 m (Ref. 123210). Tropical
Eastern Central Pacific: French Polynesia, endemic to Marquesas Is.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 23.4 cm SL hane/ej könsbestämd; (Ref. 123210)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 8; Mjukstrålar i ryggfenan (totalt) : 9; Mjukstrålar i analfenan: 7. This species is distinguishec by the following characters: barbels are white to yellowish distally, with the tips usually extending beyond posterior margin of preopercle; upper jaw somewhat slender and shorter in specimens that are greater than 5.0 cm SL (upper-jaw length times maxillary depth 60.5-96.9%, mean 74.4% of SL]; second anal-fn soft ray is long, its length 47.2-55.2% (51.3%) of caudal-fn length; 2-3 very indistinct blackish vertical bands on trunk, the frst located under frst dorsal fin (most indistinct, sometimes absent), the second below inter-dorsal-fin space and the third below anterior part of second dorsal fin; a very indistinct blackish
saddle on upper caudal peduncle; dense melanophores uniformly distributed on the anal-fin membranes in most preserved specimens (Ref. 123210).
Cross section: compressed.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Shibuya, S. and H. Motomura, 2020. Parupeneus williamsi, a new species of goatfish (Perciformes: Mullidae) endemic to the Marquesas Islands, French Polynesia. Ichthyol. Res. 68(1):11-20. (Ref. 123210)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00543 - 0.02542), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (19 of 100).
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