Cocosoda catfish
📖 Overview
Found over muddy bottoms in brackish river mouths. Probably prefers large rivers and slightly brackish waters . Occurs in very thick schools over muddy bottoms. Omnivorous, with a tendency towards detritivorous feeding. Searches for food in the zones of the village waste waters. During reproduction, towards the month of December, the ventral fins and the mandible turn pink. At this time, the weight of the male and female's mature gonads account for 10% and 25%, respectively, of the body weight . Marketed fresh.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 1; Dorsal soft rays (total): 6; Anal spines: 0; Anal soft rays: 20 - 25. Body is thick compared to that of Auchenipterus. Snout is very rounded, with a recessed lower jaw. The moderately large eyes are lateral in position. The zigzag lateral line is complete. The branchiospines are short and numerous. The caudal fin has 17 spines .: fusiform / normal.
🌀 Behaviour
Behavioural data for Cocosoda catfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; brackish; demersal; pH range: 6.5 - 8.0; dH range: ? - 30. Tropical; 20°C - 25°C South America: Lower reaches of rivers and into estuaries from Venezuela to Brazil, at least to Bahia, including southern Trinidad.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Cocosoda catfish · Yellow catfish |
| 🌍CES | trnovčík uzlinatý |
| 🇫🇷French | Coco soda · Cocosoda kakinette · Koko-dilo-dous |
| 🇵🇹Portuguese | Carataí · Peixe cachorro · Pirá-andirá |
| 🇷🇺Russian | Шишковатый большеглазый сом |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Auchenipterus furcatus | Valenciennes | 1840 | Synonym |
| Pseudauchenipterus guppyi | Regan | 1906 | Synonym |
| Pseudauchenipterus nigrolineatus | Fowler | 1911 | Synonym |
| Silurus nodosus | Bloch | 1794 | Synonym |
| Silvaichthys aguilerae | Fernández-Yépez | 1973 | Synonym |
🦠 Common Diseases
The following diseases are known to affect Cocosoda catfish.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 53 records indexed .
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