Teleostei (teleosts) >
Lophiiformes (Anglerfishes) >
Gigantactinidae (Whipnose anglers)
Etymology: Rhynchactis: Greek, 'rhynch' = beak or snout + Greek, 'aktis' = ray (in reference to the illicium that arises near the tip of the snout) (Ref. 86949); microthrix: Specific name refers to the fine hairlike secondary filaments of the illicium..
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 0 - 2250 m (Ref. 28611). Deep-water
Western Indian Ocean.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 11.3 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 4; Anal soft rays: 4. Length of illicium 210% SL, tip with 4 tiny filaments; irregular series of 19 filaments on distal 14% of length of illicium, five longest 2-4%SL, all gradually tapering from base to tip (Ref. 86949).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Bertelsen, E. and T.W. Pietsch, 1998. Revision of the deepsea anglerfish genus Rhynchactis Regan (Lophiiformes: Gigantactinidae), with descriptions of two new species. Copeia 1998(3):583-590. (Ref. 28611)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.8 ±0.7 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).