Henicorhynchus siamensis, Siamese mud carp : fisheries, aquarium

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Henicorhynchus siamensis (Sauvage, 1881)

Siamese mud carp
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Henicorhynchus siamensis
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Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Labeoninae
Etymology: More on author: Sauvage.

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

; Γλυκού νερού βενθοπελαγικό; ποταμόδρομος (Ref. 51243). Tropical

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Asia: Thailand (Bang Pakong, Chao Phraya, Mae Klong, and Phetchaburi basins) and Mekong basin in Cambodia, Lao PDR, Thailand, and Vietnam.

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: Lm 20.0  range ? - ? cm
Max length : 20.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 33488)

Short description Μορφολογία | Μορφομετρία

This species is distinguished from its congeners by the following set of characters: mouth terminal, strongly oblique (35–45° to midline of body); no maxillary barbels; edge of rostral cap is straight, no medial indent; flank immaculate, no longitudinal stripes; caudal peduncle immaculate, no spot; caudal fin mostly clear, with scattered melanophores; in life, pectoral, pelvic, and anal fins hyaline (Ref. 123185).

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Often found in great abundance at midwater to bottoms depths in large and small rivers. Feeds on algae, periphyton and phytoplankton. Not known to prosper in impoundments. Well known for its annual trophic migrations out to the floodplains in wet season. Returns to rivers as water levels begin to fall in October with numbers increasing through December and then slowly declining (Ref. 12693). From just upstream Phnom Penh in Cambodia to the Khone Falls this species is reported to migrate upstream during the period October-February. At Muk Kompul in Kandal Province, it migrates upstream just before the full moon. Further upstream near Kratie, migration occurs during full moon and at Sambor, migration takes place immediately after full moon. Near the Khone Falls, upstream movements continue through March but in April fish are moving in both direction. From May to July, at the start of the rainy season, it migrates downstream from the Khone Falls to the Mekong Delta. Here, the fish is reported to move out of the Mekong into canals and flooded areas in August-September. When water recedes in November-December, fish migrates to the Mekong again. Upstream the Khone Falls near Ubolratchatani in Thailand, this species moves upstream between February and June, consisting mainly of juveniles in February-March and of adults (15-20 cm) in April-June. Further upstream from Xayabouri in Laos to Chiang Khong in Thailand, upstream migrations takes place between March to July, first by juveniles, later by adults (Ref. 37770). Used to make prahoc along the Tonlé Sap, Cambodia. Often seen in the aquarium trade (Ref. 12693).

Life cycle and mating behavior Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Ciccotto, P.J. and L.M. Page, 2020. Revision of the genus Henicorhynchus, with a revised diagnosis of Gymnostomus (Cyprinidae: Labeoninae). Copeia 108 (3):485-502. (Ref. 123185)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 14 March 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

αλιεία: Εμπορικό(ά); Ενυδρείο: Εμπορικό(ά)
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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00544 - 0.01757), b=2.99 (2.84 - 3.14), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  2.0   ±0.00 se; based on food items.
Generation time: 1.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Ελαστικότητα (Ref. 120179):  Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (14 of 100).
Price category (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 107 [58, 253] mg/100g; Iron = 2.16 [1.43, 3.31] mg/100g; Protein = 17.8 [16.1, 19.2] %; Omega3 = 0.494 [0.207, 1.168] g/100g; Selenium = 73.6 [30.7, 165.7] μg/100g; VitaminA = 63.2 [16.6, 244.7] μg/100g; Zinc = 3.01 [2.14, 4.21] mg/100g (wet weight); based on nutrient studies.