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Teleostei (teleosts) > Gobiiformes (Gobies) > Xenisthmidae (Collared wrigglers)
Etymology: Xenisthmus: Greek, xenos = strange + Greek, isthmos = throat, narrow passage (Ref. 45335).
More on authors: Gill & Randall.

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

Marine; demersal; depth range 2 - 17 m (Ref. 12713). Tropical

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

Western Indian Ocean: Arabian Gulf (Saudi Arabia) and the Red Sea (Eritrea, Egypt and Saudi Arabia).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 2.6 cm SL male/unsexed; (Ref. 12713); 3.1 cm SL (female)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 7; Dorsal soft rays (total): 13 - 14; Anal spines: 1; Anal soft rays: 12 - 13; Vertebrae: 26. This species is distinguished by the following set of characters: D VI + I,13 (rarely I,14); anterior rim of posterior nostril raised, without well-developed flap; mainly cycloid on body; head and body pale, with reticulate mottling dorsally (Ref. 115539).

Found on sand and rubble with small patches of mostly dead coral or at the base of a drop-off.

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

Main reference Upload your references | References | Coordinator | Collaborators

Gill, A.C. and J.E. Randall, 1994. Xenisthmus balius, a new species of fish from the Persian Gulf (Gobioidei: Xenisthmidae). Proc. Biol. Soc. Wash. 107(3):445-450. (Ref. 12713)

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

Least Concern (LC) ; Date assessed: 03 November 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
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Ecology
Ecology

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Length-weight rel.
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Abundance

Life cycle
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Maturity/Gills rel.
Fecundity
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Distribution
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Anatomy
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Estimates based on models

Preferred temperature (Ref. 123201): 25 - 28.9, mean 27.3 °C (based on 129 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5020 [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): 3.1 ±0.4 se; based on size and trophs of closest relatives

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

Xenisthmus balius Gill & Randall, 1994