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Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Speonectes: Name from Greek 'speos' meaning a cave, cavern, grot) and 'nectes' for 'a swimmer'; referring to the cave habitat of the only known species of the genus.
More on author: Kottelat.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande. Tropical
Asia: granitic cave in Gunung Kajang, Tioman Island, Malaysia. Reportedly most related to Sundoreonectes obesus from east and south Kalimantan and Sarawak; no other loaches were found in the island.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 5.8 cm SL hane/ej könsbestämd; (Ref. 37830)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 11; Mjukstrålar i analfenan: 8. With reduced, partly embedded eyes; almost round body, tapering posteriorly (Ref. 37830).
Body shape (shape guide): elongated.
Cave-restricted species (Ref. 27297). A 4.89 cm SL female has ripe eggs (about 1.0 mm diameter) in its gonads (Ref. 37830).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Proudlove, G.S., 1997. A synopsis of the hypogean fishes of the world. p. 351-354. In Proceedings of the 12th International Congress of Speleology, La Chaux de Fonds, Switzerland. vol. 3. (Ref. 27297)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00724 (0.00347 - 0.01512), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
2.8 ±0.3 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (32 of 100). 🛈 |