Pareiorhaphis Nudulus
📖 Overview
Facultative air-breathing in the genus ; Occurs in small, shallow rivers with clear water and moderate to strong water current. Usually found among the bottom rocks and stones.
🔬 Taxonomy
🐟 Physical Description
Dorsal soft rays (total): 8; Anal soft rays: 4 - 5. Extreme reduction of dermal plates on the dorsal surface of body, with just the ventral and mid-ventral rows normally developed; absence of dorsal-fin spinelet and nuchal plate; absence of the connecting bone and ligament between second dorsal-fin proximal radial and rib of sixth centrum; reduction of lateral line; loss of the infraorbital sensory canal; and absence of adipose fin (versus present in all species but H. vestigipinnis). Fourth branched ray of pelvic fin longest, reaching to middle of anal fin when depressed.: elongated.
🌀 Behaviour
Behavioural data for Pareiorhaphis Nudulus is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; demersal. Temperate South America: Brazilian drainages in rio Araranguá, rio Mapituba, rio Tres Forquilhas and rio Maquine in southern Santa Catarina and northeastern Rio Grande do Sul.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Hemipsilichthys nudulus | Reis & Pereira | 1999 | Synonym |
🦠 Common Diseases
The following diseases are known to affect Pareiorhaphis Nudulus.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
👥 Community & Contribute
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