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Eupercaria/misc (Various families in series Eupercaria) >
Lethrinidae (Emperors or scavengers) > Monotaxinae
Etymology: Gymnocranius: Greek, gymnos = naked + Greek, kranion = skull (Ref. 45335).
More on author: Valenciennes.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina revassocierade; ej vandrande; djupintervall 20 - 170 m (Ref. 12260). Tropical; 35°N - 28°S, 32°E - 134°W
Indo-Pacific: East Africa to southeastern Oceania and from Australia northward to Japan. This species has been referred to as Gymnocranius robinsoni in recent literature.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 80.0 cm TL hane/ej könsbestämd; (Ref. 2295); common length : 64.0 cm SL hane/ej könsbestämd; (Ref. 37816); publicerad maxvikt: 5.5 kg (Ref. 40637)
Taggstrålar i ryggfenan (totalt) : 10; Mjukstrålar i ryggfenan (totalt) : 10; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 10.
Body shape (shape guide): fusiform / normal; Cross section: oval.
Inhabits offshore reefs (Ref. 9710), trawling grounds of the continental shelves and offshore rocky bottoms (Ref. 30573). Juveniles inshore on muddy substrates (Ref. 48635). Solitary or in small groups (Ref. 90102). Feeds mostly on bottom invertebrates and small fishes (Ref. 30573). Potential commercial fish if sufficient stocks can be located (Ref. 9775). Marketed fresh (Ref. 9775); sometimes with a strong and unpleasant flavor (Ref. 11888).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue. Vol. 9. Emperor fishes and large-eye breams of the world (family Lethrinidae). An annotated and illustrated catalogue of lethrinid species known to date. FAO Fish. Synop. 125(9):118 p. Rome: FAO. (Ref. 2295)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell; sportfisk: ja
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01905 (0.01119 - 0.03245), b=2.89 (2.75 - 3.03), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.8 ±0.0 se; based on diet studies. |
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Generation time |
4.8 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.23). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (42 of 100). 🛈 |
Priskategori (Ref. 80766) |
High.
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Näringsämnen (Ref. 124155) |
Calcium = 24.1 [12.4, 44.5] mg/100g; Iron = 0.444 [0.237, 0.745] mg/100g; Protein = 19.7 [17.7, 21.7] %; Omega3 = 0.133 [0.079, 0.191] g/100g; Selenium = 49.7 [31.1, 84.0] μg/100g; VitaminA = 47.9 [15.7, 134.6] μg/100g; Zinc = 0.876 [0.633, 1.196] mg/100g (wet weight); |