Sicyopterus lagocephalus, Red-tailed goby : fisheries

Sicyopterus lagocephalus (Pallas 1770)

Red-tailed goby
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Sicyopterus lagocephalus   AquaMaps   Data sources: GBIF OBIS
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  • Image of Sicyopterus lagocephalus (Red-tailed goby)
    Sicyopterus lagocephalus
    Male picture by Lord, C.
  • Image of Sicyopterus lagocephalus (Red-tailed goby)
    Sicyopterus lagocephalus
    Male picture by Dubosc, J.

Classification / Names आम नाम | उपशब्द | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

> Gobiiformes (Gobies) > Gobiidae (Gobies) > Sicydiinae
Etymology: Sicyopterus: Greek, sika, sikya = cucumber + Greek, pteron = wing, fin (Ref. 45335).  More on author: Pallas.

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

; समुद्री; स्वच्छ जल, अलवण जल; खारा ड़िमरसल; ऐम्फिढरोमस (Ref. 48660); गहराई सीमा 0 - 5 m (Ref. 86942).   Tropical; 42°N - 26°S, 42°E - 128°W

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri

Indo-Pacific: Comoros Islands (East Africa) to Australs Island (French Polynesia) (Ref. 77107). In the Indian Ocean, from Comoros to Mascarene Is. and in the Pacific Ocean, from Japan to French Polynesia, New-Caledonia and Vanuatu (Ref. 87781).

Length at first maturity / आकार / वज़न / Age

Maturity: Lm 4.1, range 4 - ? cm
Max length : 13.0 cm TL पुल्लिंग / अलिंग; (Ref. 4343); 10.7 cm SL (female)

Short description आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय रीढ़ (सम्पूर्ण): 6 - 7; पृष्ठीय सौफट रेज़ (सम्पूर्ण): 9-10; गुदा कांटा 1; ऐनल सौफट रेज़: 10. Usually 11 unsegmented rays in second dorsal fin. Pectoral rays usually 19. Predorsal midline usually with 13-16 cycloid scales, anterior scales smaller than those posteriorly. Scales on flanks same size as those on caudal peduncle. Belly always with fairly large cycloid scales, about the same size as those on the caudal peduncle. Caudal fin with blackish or dusky horseshoe-shaped band close to margin, medial rays blackish or dusky (Ref. 37578).

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ epibenthic)

Adults inhabit fast-flowing sections of clear rainforest streams over rocky bottoms (Ref. 44894). Hatching and larval stage occur at sea, postlarval stage to adult in freshwater (Ref. 4343, 79840). Commercial in Reunion, where they are caught during the few days when they return from sea to enter the rivers (Doug Fenner, pers. comm., 2002, Ref. 79840). Smallest gravid female reported 5.03 cm SL (Ref. 37578).

Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

Females when ready to spawn wriggles under a loosely set stone. The eggs are spread into a flat mass as the fish holds fast to the under surface of a stone. The eggs are fastened to the stones by the gelatinous threads that cover them (Ref. 110258). The male ejects his milt on the mass of eggs (Ref. 110258). Spawning occurs in freshwater afterwhich eggs and larvae are washed down by the river current into the sea and goes back up the river after a month or so (Ref. 110258). The embryo development occurs in freshwater and the larvae should migrate to saltwater a few days following hatching. The larvae are carried by current to the sea where they grow up to the juvenile stage ("bichique"). At this stage the alevins get to the rivers and start going upstream during the new moon. They can go up to waterfalls higher than 10 meters with the help of their sucker-disc, that they can colonize waters up to 800m altitude (Ref. 48660).

Main reference Upload your references | संदर्भ | संयोजक | सहयोगीयो

Maugé, L.A., 1986. Gobiidae. p. 358-388. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 4343)

IUCN Red List Status (Ref. 123251)

  Least Concern (LC) ; Date assessed: 12 August 2019

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans


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इंटरनेट स्रोत

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Estimates based on models

Preferred temperature (Ref. 115969): 25.6 - 28.5, mean 26.9 °C (based on 319 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  2.8   ±0.31 se; based on food items.
लौटाव (Ref. 120179):  ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Fec=46,000).
Vulnerability (Ref. 59153):  Low vulnerability (23 of 100) .
Price category (Ref. 80766):   Very high.