Blackspotted nothobranch
📖 Overview
Found in temporary pools in floodplains, rice fields, swamps, ditches and small streams . Found in water-filled depressions in floodplains of rivers; with vegetation often near edges, usually grasses; occasionally grasses cover the entire pool; if aquatic vegetation is present, it may comprise of Nymphea, Ottelia, Lagarosiphon, and Utricularia species; annual species; eggs deposited in substrate where they survive dry season; hatching at onset of wet season; rapid growth of fry; sexual maturity may be attained in six weeks; may be associated with other annual or non-annual fish species . Bottom spawner; 4 months incubation; difficult to maintain in aquarium .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 0; Dorsal soft rays (total): 15 - 17; Anal spines: 0; Anal soft rays: 16 - 19; Vertebrae: 30 - 32. Diagnosis: Distinguished from all congeners by the combination of the following character states: caudal fin red with black posterior margin in males, narrow white margin to dorsal and anal fins, and silver iris; posterior portion of flank and unpaired fins with black spots in females; pre-dorsal length in males 62.4-65.1% of standard length; 5 + 15-16 gill-rakers on first branchial arch; 29-31 scales in longitudinal series; 16-18 series of scales around caudal peduncle; two longitudinal rows of scales between anterior supraorbital series of neuromasts; anterior supraorbital series of neuromasts arranged continuously, with four well-developed neuromasts; four neuromasts in posterior supraorbital series; 29-31 caudal-fin rays; 30-31 vertebrae; second proximal radial of dorsal fin between neural spines of 13th and 15th vertebrae . This species differs from Nothobranchius lucius in having a plain red caudal fin with narrow margin at the upper and lower corners in male . : fusiform / normal; Cross section: compressed.
🌀 Behaviour
Behavioural data for Blackspotted nothobranch is currently being reviewed.
🦐 Diet
Diet information for Blackspotted nothobranch is currently being compiled.
🥚 Reproduction
Annual fishes.
🌍 Habitat & Distribution
Freshwater; benthopelagic; non-migratory. Tropical; 22°C - 28°C
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | black-spotted nothobranch · Blackspotted Nothobranch |
| 🌍CES | halančík černoskvrnný |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Fundulus melanospilus | Pfeffer | 1896 | Synonym |
| Nothobranchius eiminki | Ahl | 1935 | Synonym |
| Nothobranchius emini | Ahl | 1935 | Synonym |
| Nothobranchius seychellensis | Ahl | 1935 | Synonym |
| Notobranchius melanospilus | Pfeffer | 1896 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 51 records indexed .
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