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Teleostei (teleosts) > Perciformes/Scorpaenoidei (Scorpionfishes) > Peristediidae (Armored searobins or armored gurnards)
Eponymy: Named after the Royal Indian Marine Survey vessel Investigator, which made collections of marine fauna in the period 1884–1926. (Ref. 128868), visit book page.
More on author: Alcock.

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

Marine; bathydemersal; depth range 550 - 658 m (Ref. 26165). Deep-water

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indian Ocean: off Durban, South Africa; Travancore coast and Andaman Sea (Ref. 26165). Also Western Central Pacific (Ref. 9771).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 23.0 cm TL male/unsexed; (Ref. 26165)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 7; Dorsal soft rays (total): 22; Anal spines: 0; Anal soft rays: 21. Pectorals, spinous dorsal and margin of soft dorsal blackish in color (Ref. 6630).

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

Main reference Upload your references | References | Coordinator | Collaborators

Heemstra, P.C., 1986. Peristediidae. p. 489-490. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 6630)

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

Least Concern (LC) ; Date assessed: 19 July 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items
Diet composition
Food consumption
Food rations
Predators

Ecology
Ecology

Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
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Abundance

Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
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Eggs
Egg development
Larvae
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Distribution
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Anatomy
Gill area
Brain
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Physiology
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Nutrients
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Swimming type
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Visual pigments
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Toxicity (LC50s)

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Genetics
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Internet sources

Estimates based on models

Preferred temperature (Ref. 123201): 7.1 - 10.2, mean 8.6 °C (based on 24 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.5 ±0.3 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (13 of 100).

Scalicus investigatoris (Alcock, 1898)