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Beloniformes (Needle fishes) >
Zenarchopteridae (Internally fertilized halfbeaks)
Etymology: Zenarchopterus: Particle zen, derived from zao = to give life + Greek, archos = anus + Greek, pteron = fin.
Eponymy: Dr Paul Georg Egmont Duncker (1870–1953) was a German zoologist and ichthyologist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
; brackvatten pelagiska; djupintervall 0 - ? m. Tropical
Indo-West Pacific: Andaman Islands, New Guinea, the East Indies and the Admiralty, Solomon, and the Ryukyu Islands (Ref. 10943). Reported from the estuaries along the Cambodian coast (Ref. 12693).
Size / Vikt / Age
Könsmognad: Lm ? range ? - ? cm
Max length : 14.0 cm SL hane/ej könsbestämd; (Ref. 12693)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 10 - 12; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 10 - 13; Ryggkotor: 37 - 42. Sixth anal fin ray thickened and greatly elongate, reaching posteriorly past the base of the caudal fin. Fourth or fifth dorsal fin ray of males thickened and much longer than the other dorsal rays, the distal end flat and wider than the other dorsal rays.
A tropical estuarine species (Ref. 10943). Found at surface levels in estuaries. Its habitat may be confined to brackish water. Feeds on terrestrial insects. Not seen in markets (Ref. 12693).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Collette, B.B. and J. Su, 1986. The halfbeaks (Pisces, Beloniformes, Hemiramphidae) of the Far East. Proc. Acad. Nat. Sci. Philadelphia 138(1):250-301. (Ref. 10943)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fiskeri: husbehovsfiske
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00200 - 0.01044), b=3.03 (2.82 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.40 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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![Image of Zenarchopterus dunckeri (Duncker\](/images/thumbnails/jpg/tn_Zedun_u2.jpg "Image of Zenarchopterus dunckeri (Duncker\")
