Overview

Comprehensive Description

Biology

The type locality is a small stream flowing out of the forest into cultivations, at most 3 m wide and about 30 cm deep. This small stream is characterized by having clear water and only slight current, bottom comprising pebbles rock, and gravel, and by the absence of aquatic vegetation. Also occurs in a stagnant pool with leaf litter and sandy bottom and in small forest streams with rocky bottom (Ref. 81818).
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Distribution

Range Description

This species is known only from small streams on the western slope of the Rakhine Yoma, near Thandwe, Kyeintali and Sittwe in Myanmar. It may be more widespread than what is known, however, the range will not extend beyond 15,000 km2.
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Small streams on western slope of Rakhine Yoma, Myanmar.
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Asia: Rakhine Yoma in south-western Myanmar.
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Physical Description

Morphology

Dorsal soft rays (total): 9; Analsoft rays: 14 - 16; Vertebrae: 32 - 34
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Size

Max. size

3.0 cm SL (male/unsexed; (Ref. 81818))
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Diagnostic Description

Distinguished from all congeners of Danio by its color pattern comprising 6-7 brown vertical bars anteriorly on side and two horizontal rows of small brown spots posteriorly, absence of D stripe, and absence of dark stripes on caudal fin. This species is similar to Danio kerri and Danio erythromicron in having 12 circumpeduncular scale rows (vs. 14 in Danio dangila and 10 in other species of Danio); and in having 6 branched dorsal fin rays (vs. 7-8 in other species of Danio) (Ref. 81818).Description: Dorsal fin ii.6½ ; anal fin iii.10½, iii.11½, iii.12½; pectoral fin i.10, i.11; and pelvic fin i.7. Lateral scale rows between dorsal and pelvic fins 7. (Ref. 81818)..
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species is found in forested streams in low flow areas of pools with dominant substrates of rock, pebbles and gravel. In the dry season, they are confined to deep pools.

Systems
  • Freshwater
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Environment

benthopelagic; freshwater
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Danio aesculapii

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 aesculapii

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Specimens with Barcodes: 5
Species With Barcodes: 1
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
NT
Near Threatened

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Ng, H.H.

Reviewer/s
Rema Devi, K.R., Arunachalam, M., Dahanukar, N. & Daniel, B.A.

Contributor/s
Molur, S.

Justification
Although Danio aesculapii is currently only known from five locations, the poor sampling in western Myanmar means that this species is very likely to be more widespread (especially since the area between the type locality and the Kaladan River delta has been very poorly sampled and this species would be expected to be found there). Although there is some collection for the ornamental fish trade that may have an impact on populations, the effects are projected to be slight. Therefore, although the few locations in which it is known suggest that the species is Near Threatened as it does not completely justify the Vulnerable D2 category due to incomplete information. With more knowledge regarding its distribution, the species must be reassessed to reflect a more accurate assessment.
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Population

Population
In the type locality and also from small streams nearby their population is high but there is no information known on the population trends for this species.

Population Trend
Unknown
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Threats

Major Threats
While collection of live fishes for the ornamental fish trade may present a potential threat to the population, its effects are presently unknown because no information on the population and its trends for this species is known, as is the intensity of harvest for the trade (although observations indicate that this species is infrequently collected). Other threats to this species are unknown, since there is no information on the biology of this species and therefore the impact of potential threats (especially those of an anthropogenic nature) remains unknown. The current threats to aquatic biodiversity in all of its known distribution have also not been adequately identified.
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Near Threatened (NT)
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Management

Conservation Actions

Conservation Actions
More research about the distribution and the biology of this species is needed, as there is insufficient information available. The effects on the population of collecting for the ornamental fish trade also need to be fully ascertained. Other potential threats to this species also need to be identified.
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Wikipedia

Panther danio


The panther danio (Danio aesculapii) is a species of danio endemic to Myanmar. Before its description it was referred to as Danio species TW03. The panther is a smallish danio which on first glance looks a little dull, but displays a variety of colours when sunlight illuminates the fish on its side.


  • Maximum length: 1.5 inches 4 cm
  • Colors: Blue, silver, gold
  • Temperature preference: 20-25 celsius
  • pH preference: 6 to 7
  • Hardness preference: Soft to medium
  • Salinity preference: Low to medium
  • Compatibility: Good but fast like most danios
  • Life span: Typically 2 to 3 years
  • Ease of keeping: Moderate
  • Ease of breeding: Moderate to hard


See also


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