Toxotes chatareus
(Hamilton, 1822)
Spotted archerfish

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Classification / Names

Teleostei (teleosts) > Carangaria/misc (Various families in series Carangaria) > Toxotidae (Archerfishes)
More on author: Hamilton.

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

Brackish; freshwater; pelagic; amphidromous (Ref. 51243); 25°C - 30°C (Ref. 1672) preferred ?; tropical.

Distribution

Asia and Oceania: Sri Lanka and India to New Guinea and northern Australia.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 20 - ? cm
Max length: 40.0 cm SL male/unsexed (Ref. 2847); common length: 25.0 cm TL male/unsexed (Ref. 2847); max. published weight: 750.00 g (Ref. 6028).

Short description

Dorsal spines (total): 5 - 6; Dorsal soft rays (total): 12 - 13; Anal spines: 3; Anal soft rays: 15 - 17.

Biology

Occurs mainly in brackish mangrove estuaries, but also penetrates freshwater rivers and small streams (Ref. 4833, 44894). Inhabits coastal waters (Ref. 45255). Found along the shores of flowing and standing waters. Occurs in shaded areas with overhanging vegetation (Ref. 12693, 44894). Inhabits medium to large-sized rivers (Ref. 12975). Also found in lakes and billabongs (Ref. 44894). Feeds at the surface during the day on floating debris which includes insects and vegetable matter (Ref. 2847). Also consumes crustaceans and small fishes (Ref. 44894). Renowned for its habit of spitting to dislodge its insect prey from tree branches above the water; maximum shooting range is about 150 cm. Breeds from both fresh and brackish water (Ref. 2847, 44894). Breeding takes place in the wet season. Highly fecund female releases buoyant eggs (Ref. 44894). Lays 20,000 to 150,000 eggs, measuring about 0.4 mm in diameter (Ref. 6028). Occasionally caught by anglers and is reasonable eating (Ref. 44894). Sold fresh in markets.

Main reference

Allen, G.R. 1991 Field guide to the freshwater fishes of New Guinea. Publication, no. 9. 268 p. Christensen Research Institute, Madang, Papua New Guinea. (Ref. 2847)

IUCN Red List Status (Ref. 125652)

  Least Concern (LC); date assessed: February 15 2019

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

More information
Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01660 (0.00635 - 0.04340), b=3.00 (2.78 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.0 ±0.5 se; Based on diet studies.

Generation time: 3.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (tm=1-2; k=0.31).

Fishing vulnerability (Ref. 59153): Moderate vulnerability (35 of 100).

Price category (Ref. 80766): Unknown.

Nutrients (Ref. 124155): Calcium = 112 [57, 241] mg/100g; Iron = 1.24 [0.73, 2.24] mg/100g; Protein = 18.5 [17.4, 19.6] %; Omega3 = 0.241 [0.132, 0.425] g/100g; Selenium = 48.1 [21.6, 100.6] μg/100g; VitaminA = 24.3 [7.1, 81.4] μg/100g; Zinc = 1.04 [0.69, 1.56] mg/100g (wet weight);