Darkedged splitfin
📖 Overview
Darkedged splitfin (Girardinichthys multiradiatus) is a ray-finned fish of the family Goodeidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 3.5 cm. With a trophic level of 2.2, it is an omnivore, consuming both plant and animal matter. It is assessed as Endangered on the IUCN Red List. Commercially fished and consumed as food.
🔬 Taxonomy
🐟 Physical Description
Physical description for Darkedged splitfin is currently being compiled.
🌀 Behaviour
G. multiradiatus tend to school with each other. They detect nearby movements using a mechanosensory system known as their lateral line system. They use this system to detect many behaviors such as schooling, rheotaxis, and predator-prey interaction. Not only do they use mechanosensory, they also use water movements to show social behaviors.
🦐 Diet
Dark-edged splitfin fish are found to be mainly a carnivorous species. They feed on many different insects. A study found that much of the contents in the stomach composed of chironomid-larvae, mayflies, Hymenoptera, Diptera-larvae, Detritus, and Cladocera. Juvenile G. multiradiatus are found to mostly feed on Cladocera and Diptera.
🥚 Reproduction
Gestation lasts for about 55 days. A female produces 10 to 20, rarely 30, young.
🌍 Habitat & Distribution
Freshwater; demersal; pH range: 6.0 - 7.5; dH range: ? - 15. Temperate; 12°C - 20°C ; 21°N - 19°N North America: upper Rio Lerma and Zempoala lagoon in Morelos, Mexico.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Darkedged splitfin is an edible species."
- Clear, bright eyes — cloudy eyes indicate age
- Firm flesh that springs back when pressed
- Fresh ocean smell, never strong or ammonia-like
- Bright red or pink gills, not grey or brown
- Shiny, moist skin with scales tightly attached
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Detailed nutritional data for Darkedged splitfin is currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Darkedged splitfin has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Darkedged Splitfin |
| 🌍CES | žirardinka olivová |
| 🇩🇰Danish | Gylden sejlfinnegoodeide |
| 🇩🇪German | Gelber Hochlandkärpfling |
| 🇭🇺Hungarian | Szénfoltos patakpontyocska |
| 🇷🇺Russian | Многополосый лермихт |
| 🇪🇸Spanish | mexcalpique de Zempoala · mexclapique de Zempoala |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Characodon multiradiatus | Meek | 1904 | Synonym |
| Girardinichthys innominatus | Bleeker | 1860 | Heterotypic |
| Girardinichthys limnurgus | Jordan & Evermann | 1927 | Synonym |
| Lermichthys multiradiatus | Meek | 1904 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
👥 Community & Contribute
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