Overview

Distribution

Western Indian Ocean.
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Western Indian Ocean.
  • 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)
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Physical Description

Morphology

Dorsal soft rays (total): 4; Analsoft rays: 4
  • Pietsch, T.W. 2009 Oceanic anglerfishes. Extraordinary Diversity in the Deep Sea. Oceanic Anglerfishes, i-xii; 1-557pp. (Ref. 86949)
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Size

Max. size

11.3 cm SL (female)
  • 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)
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Diagnostic Description

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).
  • Pietsch, T.W. 2009 Oceanic anglerfishes. Extraordinary Diversity in the Deep Sea. Oceanic Anglerfishes, i-xii; 1-557pp. (Ref. 86949)
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Ecology

Habitat

Depth: 0 - 2250m.
Recorded at 2250 meters.

Habitat: bathypelagic. Specific naem refers to the fine hairlike secondary filaments of the illicium.
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Environment

bathypelagic; marine; depth range 0 - 2250 m (Ref. 28611)
  • 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)
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Wikipedia

Rhynchactis microthrix

Rhynchactis microthrix is a species of whipnose angler only known from the western Indian Ocean where it is found at depths of around 2,250 metres (7,380 ft). This species grows to a length of 11.3 centimetres (4.4 in) SL.

References


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