Overview

Distribution

Range Description

The species was described from a hill stream, Koh Yao Yai (island), Phuket, Thailand. The species is known from similar habitat in the Malay Peninsula from southern Thailand (Krabi and Ranong provinces) to Malaysia. The species has been recorded from other islands in the area including Phuket, Ko Lanta and Langkawi.
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Asia: Malay Peninsula.
  • Doi, A. 1997 A review of taxonomic studies of cypriniform fishes in Southeast Asia. Jap. J. Ichthyol. 44(1):1-33. (Ref. 26580)
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Thailand.
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Physical Description

Size

Max. size

5.0 cm TL (male/unsexed; (Ref. 13371))
  • Riehl, R. and H.A. Baensch 1996 Aquarien Atlas, Band 1. 10th edition. Mergus Verlag GmBH, Melle, Germany. 992 p. (Ref. 13371)
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Type Information

Type for Danio kerri
Catalog Number: USNM 90289
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): H. Smith
Year Collected: 1929
Locality: Pool In Hill Stream Koh Yao Yai, W. Coast Siam, Thailand, Asia
  • Type:
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
Inhabits submontane streams to hillstreams in forest areas and small rivers typified by very clear water with substrates of rocks, boulders and gravel.

Systems
  • Freshwater
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Environment

benthopelagic; freshwater; pH range: 6.5 - 7.0; dH range: 5 - 12
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Trophic Strategy

Fish collected from Phuket Island, southern Thailand. The pH was significantly lower at the collection sites and water was slow moving. Feeds mainly on insects (Ref. 58912).
  • McClure, M.M., P.B. McIntyre and A.R. McCune 2006 Notes on the natural diet and habitat of eight danionin fishes, including the zebrafish Danio rerio. J. Fish Biol. 69:553-570. (Ref. 58912)
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Danio kerri

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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Statistics of barcoding coverage: Danio kerri

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2012

Assessor/s
Vidthayanon, C.

Reviewer/s
Allen, D. & Smith, K.

Contributor/s

Justification
This is a locally common fish. Its threats and population decline is unknown, however this fish is seldom harvested for the aquarium trade, it is assesses as Least Concern.
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Population

Population
Locally common.

Population Trend
Unknown
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Threats

Major Threats
Habitat degradation is a potential threat.
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Least Concern (LC)
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Management

Conservation Actions

Conservation Actions
Monitoring of harvest and habitats is required.
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Relevance to Humans and Ecosystems

Benefits

Importance

aquarium: commercial
  • Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott 1991 World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537)
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Wikipedia

Blue danio

The blue danio or Kerr's danio (Danio kerri) is a tropical fish belonging to the Danio genus in family Cyprinidae.

Description[edit]

Originating from Southeast Asia on the islands of Langkawi and Ko Yao Yai in the Malaysian Peninsula, this fish is sometimes found in the fish-keeping hobby. It is a blue-colored, deep-bodied danio with several pinkish/gold lines from tail to gills which may or may not be continuous, over a powder blue side.

The blue danio is a peaceful, active schooling fish, so is usually kept in groups. They prefer a well-planted environment, but still need plenty of space to school. Blue danios prefer water with a 6.5 – 7.0 pH, a water hardness of 8 – 12 dGH, and a temperature range of 73 – 77°F (23–25°C).

Blue danios are egg-scatterers that spawn over coarse gravel beds. They will typically spawn at the first light of day. The eggs will hatch in about 36 hours.

The taxonomic name honors A.F.G. Kerr, who collected the first specimen on Ko Yao Yai in 1929.

See also[edit]

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