Pearl danio
📖 Overview
Lives in hill streams . Found in running waters of lower Mekong . Occurs at the surface of small, clear streams . Feeds on exogenous insects and some zooplankton . Not seen in fish markets, but popular in the aquarium trade . Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm .
🔬 Taxonomy
🐟 Physical Description
Dorsal soft rays (total): 7; Anal soft rays: 12 - 13. Incomplete lateral line, without infraorbital process; with 6-7 branched dorsal fin rays and 13-14 branched anal fin rays. Two pairs of long barbels. Rostral barbels reaching to or slightly anterior to vertical through the middle of the orbit; maxillary barbels exceed the origin of pectoral fin. Vertical scale rows 30-31, predorsal scale rows 16. Pharyngeal teeth in three rows, 5, 4, 2; 2, 4, 5 . Body pink with two light yellow-white (iridescent in life) stripes from below dorsal origin to caudal base .: elongated.
🌀 Behaviour
Behavioural data for Pearl danio is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic; pH range: 6.0 - 8.0; dH range: 5 - 19. Tropical; 20°C - 25°C
🌿 Ecology
exogenous insects and some zooplankton (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Brachydanio albolineatus | Blyth | 1860 | Synonym |
| Branchydanio albolineatus | Blyth | 1860 | Synonym |
| Danio pulcher | Smith | 1931 | Synonym |
| Danio stoliczkae | Day | 1870 | Synonym |
| Danio tweedei | Brittan | 1956 | Synonym |
| Danio tweediei | Brittan | 1956 | Synonym |
| Nuria albolineata | Blyth | 1860 | Synonym |
🦠 Common Diseases
The following diseases are known to affect Pearl danio.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .
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