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Teleostei (teleosts) > Perciformes/Scorpaenoidei (Scorpionfishes) > Platycephalidae (Flatheads)
Etymology: Thysanophrys: Greek, thysanos = tassel + Greek, ophrys = eye brow (Ref. 45335); rarita: Named rarita for there is only a single specimen of this species that exist that the author is aware of, despite the many trawling collections (in the western Indian Ocean) that have been examined.

Issue
A species tentatively placed in Thysanophrys (Ref. 92868).

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated; depth range 1 - 6 m (Ref. 92868). Tropical

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Western Indian Ocean, Somalia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 12.7 cm SL male/unsexed; (Ref. 92868)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 9; Dorsal soft rays (total): 11; Anal soft rays: 11; Vertebrae: 27. This species is tentatively placed under Thysanophrys. It is distinguished by having the following characters: 6 preocular spines; 11 dorsal- and anal-fin rays; suborbital ridge with about 25 small spines; about 5 small preorbital spines; diagonal scale count, 10 rows; anterior 14 lateral-line scales with small spines; iris lappet with crenate edge (Ref. 92868).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Knapp, L.W., 2013. Descriptions of four new species of Thysanophrys (Scorpaeniformes: Platycephalidae) from the Western Indian Ocean. Zootaxa 3608(2):127-136. (Ref. 92868)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Data deficient (DD) ; Date assessed: 20 June 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00457 (0.00230 - 0.00908), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.6 ±0.6 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Thysanophrys rarita Knapp, 2013