Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina pelagic-oceanic; havsvandrande (Ref. 51243). Subtropical
Central Atlantic: Southwards to South Africa in the eastern part. Records outside central western Atlantic should be different species (H.Ho, pers.comm. 2/2017).
All reports in the Mediterranean Sea before 2017 are misidentifications for Bregmaceros nectabanus Whitley, 1941.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 7.8 cm TL hane/ej könsbestämd; (Ref. 40727); common length : 6.0 cm SL hane/ej könsbestämd; (Ref. 47377)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 48 - 57; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 49 - 60; Ryggkotor: 49 - 57. The head is of moderate size; eyes large; snout rounded. The first dorsal fin is well separated from the second dorsal fin. The body is brownish above, silvery below.
Body shape (shape guide): elongated; Cross section: oval.
Generally oceanic. Feed on zooplankton and phytoplankton, especially crustaceans (Ref. 6735). Oviparous, with planktonic eggs and larvae (Ref. 6735).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Cohen, D.M., 1990. Bregmacerotidae. p. 524-525. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 4496)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00380 (0.00218 - 0.00662), b=3.19 (3.03 - 3.35), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
2.8 ±0.24 se; based on food items. |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |