Parachaeturichthys polynema
(Bleeker, 1853)
Taileyed goby

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Classification / Names

Teleostei (teleosts) > Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Parachaeturichthys: Greek, para = the side of + Greek, chaite = hair + Greek, oura = tail + Greek, ichthys = fish (Ref. 45335).
More on author: Bleeker.

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

Marine; demersal; tropical.

Distribution

Indo-West Pacific: south to Natal, South Africa; India (Ref. 4833) and Japan (Ref. 559).

Maps

Parachaeturichthys polynema / Native range
AquaMaps Data sources: GBIF OBIS
This map was computer-generated and has not yet been reviewed.

Parachaeturichthys polynema / Suitable habitat
AquaMaps Data sources: GBIF OBIS
This map was computer-generated and has not yet been reviewed.

Parachaeturichthys polynema / Point map
AquaMaps Data sources: GBIF OBIS
This map was computer-generated and has not yet been reviewed.

Parachaeturichthys polynema / Year 2050
AquaMaps Data sources: GBIF OBIS
This map was computer-generated and has not yet been reviewed.

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Size / Weight / Age

Max length: 15.0 cm TL male/unsexed (Ref. 2798).

Short description

Dorsal spines (total): 7; Dorsal soft rays (total): 9 - 11; Anal spines: 1; Anal soft rays: 9 - 10. Body greenish; fins dark; upper caudal fin base with a large black spot surrounded by yellow (Ref. 2798).

Biology

Parachaeturichthys spp. Inhabit deep water (Ref. 42915). Rarely enters estuaries (Ref. 4833). Captured by trawls over mud bottom (Ref. 11441). Found to contain tetrodotoxin (TTX) and anhydrotetrodotoxin (anh-TTX) which causes paralytic food poisoning (Ref. 54777).

Main reference

Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino 1984 The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)

IUCN Red List Status (Ref. 125652)

  Least Concern (LC); date assessed: June 25 2018

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Poisonous to eat (Ref. 54777)

More information
Estimates based on models

Preferred temperature (Ref. 123201): 22.4 - 28.1, mean 26.5 °C (based on 338 cells).

Phylogenetic diversity index (Ref. 82804): PD50 = 0.75 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00891 (0.00530 - 0.01498), b=2.93 (2.78 - 3.08), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 3.1 ±0.3 se; Based on diet studies.

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).

Nutrients (Ref. 124155): Calcium = 0 [0, 0] mg/100g; Iron = 0 [0, 0] mg/100g; Protein = 0 [0, 0] %; Omega3 = 0 [0, 0] g/100g; Selenium = 0 [0, 0] μg/100g; VitaminA = 0 [0, 0] μg/100g; Zinc = 0 [0, 0] mg/100g (wet weight);