Taiwan Bitterling Care Guide
Paratanakia himantegus
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Bioload Score
1680
- Max Size
- 8.0 cm / 3.1"
- Temperature
- 18–25°C (64–77°F)
- pH Range
- 6.4 – 8.0
- Min Tank Size
- 75L (20 gal)
- Min Group Size
- 6 fish
- Tank Level
- Bottom-Mid
- Origin
- Asia
- Temperament
- Peaceful
- Difficulty
- Easy
- Breeding Difficulty
- Moderate
Diet
High-quality flakes, small pellets, and frozen foods like brine shrimp, daphnia, and mosquito larvae.
Community Compatibility
Small, peaceful Asian-style community: Paratanakia himantegus does best with other small, non‑aggressive freshwater species that occupy different microzones. Compatible tankmates (examples by type) - Small rasboras and micro‑rasboras (harlequin/other Trigonostigma and smaller Boraras) - Small, peaceful tetras or similar small characins (neon‑type species) - White Cloud Mountain minnows and other gentle small cyprinids - Small schooling danio relatives that aren’t overly boisterous (choose calmer species) - Small peaceful bottom dwellers: Corydoras spp., Otocinclus - Shrimp and small snails (if water chemistry is suitable) Avoid - Fin‑nippers and boisterous species (tiger barbs, large barbs, large danios) - Large or aggressive cichlids, big predatory or fast schooling fish - Species that require dramatically different water chemistry or temperatures Practical care notes - Keep them in a small group (roughly 6 or more) in a planted tank with open swimming areas and plenty of cover/hiding spots. - Choose tankmates with similar, peaceful temperaments and compatible water conditions. - Watch for mild territoriality during breeding; separate if aggression appears.
Good to Know
The Taiwan Bitterling (Paratanakia himantegus) is a small freshwater cyprinid that belongs to the bitterling group, which is famous for its unusual reproductive behavior of laying eggs inside freshwater mussels.
Gender Differences
'- Males: develop brighter/bolder breeding coloration and more conspicuous fin markings during the spawning season; fins (especially dorsal/anal) often more pointed or elongated; males show territorial/display behavior and may develop small breeding tubercles or roughening on the head/face in some bitterling species. - Females: overall much duller, with shorter/rounded fins; gravid females have a noticeably distended abdomen; during spawning females show a tubular ovipositor at the genital region used to deposit eggs into mussels. - Practical sexing: most reliable cues are presence of an ovipositor (female) and breeding coloration/territorial display (male); differences are far more obvious in the breeding season. - Note: detailed, species-specific diagnostic characters for Paratanakia himantegus are variably reported; if you need authoritative confirmation, consult a taxonomic key or primary species descriptions.
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