Hillstream Loaches

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Gastromyzontidae

Bashimyzon, Erromyzon, Yaoshania

Beaufortia (green)

Beaufortia (other)

Formosania, Liniparhomaloptera, Vanmanenia

Labigastromyzon & Pseudogastromyzon

Paraprotomyzon

Balitoridae

Balitora, Metahomaloptera, Plesiomyzon

Hemimyzon

Jinshaia

Lepturichthys & Sinohomaloptera

Sinogastromyzon

Gastromyzontidae

Bashimyzon, Erromyzon, Yaoshania

B. damingshanensis

B. sinensis

E. compactus

English: Ruby Studded Hillstream Loach

E. kalotaenia

English: Beauty-Banded Hillstream Loach

Y. pachycheilus (panda)

English: Panda Loach

Y. pachycheilus (golden line)

English: Golden Line Hillstream Loach

Beaufortia (green)

B. pingi

B. pingi cf.

English: Patternless Pingi

B. granulopinna

English: Pearl Fin Hillstream Loach

B. viridis (Guangxi Green)

English: Green Zebra Hillstream Loach

B. viridis cf. (Yunnan White)

English: Yunnan Green Zebra Hillstream Loach

B. zebroida

English: Golden Zebra Hillstream Loach

Beaufortia (other)

B. cyclica

B. huangguoshuensis

English: Huangguoshu Hillstream Loach

B. kweichowensis

English: Guizhou Hillstream Loach

B. leveretti

English: Hainan Island Hillstream Loach

B. liui

B. niulanensis

English: Porcelain Hillstream Loach

B. polylepsis

English: Mosaic Hillstream Loach

B. szechuanensis

Formosania, Liniparhomaloptera, Vanmanenia

F. chenyiyui

F. tangi

L. disparis

English: Broken-Band Hillstream Loach

L. qiongzhongensis

L. vittata

All images are currently juveniles.

V. caldwelli

V. gymnetrus

English: Black Diamondback Hillstream Loach

V. lineata

V. pingchowensis

Notes: V. maculata (2014) and V. marmorata (2021) were previously considered to be the same species as V. pingchowensis and are not easily distinguished by appearance.

V. serrilineata

V. stenosoma

V. striata

Note: V. microcephala, V. pseudostriata, and V. serriliata were previously considered to be the same species as V. striata and are not easily distinguished by appearance.

V. tetraloba

V/F. sp. "red" (VERY RARE)

V/F. sp. (Qingyuan)

Labigastromyzon & Pseudogastromyzon

L. changtingensis

English: Changting County Hillstream Loach

L. fangi (west)

L. fangi (central)

L. fangi (southeast)

P. cheni (north black fin)

P. cheni (south red fin)

P. fasciatus

English: Zhejiang Hillstream Loach (variant 1), Jiulong River Hillstream Loach (variant 2)

Notes: The formerly recognized "P. jiulongjiangensis" is not a valid species, as it is not genetically distinct from P. fasciatus*.

* Chen (2003) Resolving phylogenetic relationships and taxonomic revision in the Pseudogastromyzon

P. laticeps (original)

English: Purple-Fin Hillstream Loach

Notes: Only adult males have purple fins. Juveniles and females appear similar to P. cheni or P. myersi.

P. laticeps (Lianjiang)

English: Lianjiang Hillstream Loach

Notes: Although fin and body colors are different from other P. laticeps, the formerly recognized "P. lianjiangensis" is not a valid species, as it is not genetically distinct from P. laticeps*.

* Chen (2003) Resolving phylogenetic relationships and taxonomic revision in the Pseudogastromyzon

P. myersi

English: Chinese Hillstream Loach, Red Fin Hillstream Loach, Hong Kong Sucker

P. putienensis

Note: Formerly misidentified as a regional variant of P. fasciatus.

L/P. sp. "solid"

Paraprotomyzon

P. multifasciatus

English: Orange Zebra Hillstream Loach

Notes: MOST of these are GREEN. The orange namesake variant is less common.

P. niulanjiangensis

English: Green Marble Hillstream Loach, Olive Hillstream Loach

Balitoridae

Balitora, Metahomaloptera, Plesiomyzon

B. lancangjiangensis

M. longicauda

M. omeiensis

English: Emei Mountain Hillstream Loach

P. baotingensis

English: Baoting County Hillstream Loach

Hemimyzon

H. elongata

H. macroptera

H. megalopseos

H. pengi

English: Mengla County Hillstream Loach

Jinshaia

J. abbreviata

J. niulanjiangensis

English: Niulan River Jinshaia Loach

J. sinensis

English: Chinese Jinshaia Loach

Lepturichthys & Sinohomaloptera

L. fimbriata

English: Plow-Face Loach

S. kwangsiensis

Sinogastromyzon

S. sp. (Chongqing)

English: Golden-Vein Hillstream Loach

S. sichangensis

S. szechuanensis

S. wui

S. sp. (Sichuan)

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