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Cypriniformes (Carps) >
Gastromyzontidae (Hillstream loaches)
Etymology: kalotaenia: Derived from the Greek kalos, meaning beautiful, and taenia, from Greek tainia, meaning stripes or bars, in reference to the blotches on the flank of this species. A noun in apposition.
Environment: milieu / climate zone / Mức độ sâu / distribution range
Sinh thái học
; Nước ngọt gần đáy; Mức độ sâu 0 - ? m (Ref. 93072). Subtropical
Asia: Liuding and Dishui streams of the Guijiang river drainage (a tributary of Pearl River) in Guangxi, China.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Chín muồi sinh dục: Lm ? range ? - ? cm
Max length : 4.8 cm SL con đực/không giới tính; (Ref. 93072)
Short description
Khóa để định loại | Hình thái học | Sinh trắc học
Các vây lưng mềm (tổng cộng) : 11; Tia mềm vây hậu môn: 7. Differs from all congeners by the combination of the following characters: a small median lobe of the rostral fold; lower lip distinctly covered with melanophores; 9-12 squarish blotches on side of body, their height about one-third body depth; and 85-89 lateral line scales. Can be diagnosed from Erromyzon sinensis by having 9-12 irregular blotches on body (vs. 17-21 very irregular bars or a mottled pattern); from
E. compactus by having lower lip with two or three folds (vs. folds absent), a midlateral row of squarish blotches on flank (vs. bars continuous across dorsum), and four rows of blackish spots on dorsal-fin rays, six rows on caudal-fin rays (vs. two rows on both dorsal and caudal-fin rays); and from E. yangi in having 85-89 lateral-line scales (vs. 96-99) and by its color pattern consisting of 9-12 blotches on flank (vs. a black midlateral stripe dark brown dorsum and an incomplete lower black stripe) (Ref. 93072).
Body shape (shape guide): elongated.
Inhabits shallow water at depths of 0.1-0.5 m among boulders and cobbles mixed with sand on the river bed. In Dishui River, other fishes found together with this species include cyprinids (Opsariichthys bidens, Acrossocheilus parallens), balitorids (Pseudogastromyzon fangi, Vanmanenia pingchowensis, Yaoshania pachychilus, Schistura fasciolata) and sisorids (Glyptothorax fokiensis, Pterocryptis anomala). In Liuding River, this species occurs together with Zacco platypus, Puntius semifasciolatus, Pseudorasbora parva, Carassius auratus, Oreonectes platycephalus, Traccatichthys pulcher, Cobitis sinensis and Tachysurus adiposalis (Ref. 93072).
Life cycle and mating behavior
Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Các trứng | Sự sinh sản | Ấu trùng
Yang, J., M. Kottelat, J.-X. Yang and X.-Y. Chen, 2012. Yaoshania and Erromyzon kalotaenia, a new genus and species of balitorid loaches for Guangxi, China (Teleostei: Cypriniformes). Zootaxa 3586:173-186. (Ref. 93072)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Các nghề cá: không ích lợi (thú vị)
Các công cụ
Special reports
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Estimates based on models
Phylogenetic diversity index (Tài liệu tham khảo
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00268 - 0.01421), b=3.11 (2.91 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Mức dinh dưỡng (Tài liệu tham khảo
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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