Racer goby
📖 Overview
Occurs in brackish- and fresh-water habitats with low salinity (< 2 ppt); lagoons and lakes; large rivers to small, fast-flowing streams; on sand or mud bottom; mainly in well vegetated or high-complexity habitats. Abundant in backwaters and still channels . Longevity is 4-5 years; spawns for the first time at 2 years; spawning season in April to June, occasionally until mid-August; females may repeat spawning during a season; usually spawns for a single season. Males guard eggs until hatching; with adhesive eggs deposited on stones, shells and aquatic plants . Feeds on crustaceans (esp. Corophiid amphipods), aquatic insects (mostly chironomid larvae), polychaetes, also small fish and mollusks .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 7 - 8; Dorsal soft rays (total): 14 - 18; Anal spines: 1; Anal soft rays: 12 - 16. This species is distinguished from its congeners entering freshwater in Europe by the following characters: irregular position and shape of diagonal bars on body; first branched ray of second dorsal about as long as penultimate ray; no scales on midline of nape, in front of preoperculum; pelvic-disc fraenum with small rounded lobes and the length is less than 1/6 of width at base; scales in midlateral series 54-62 + 2-3; posterior part of first dorsal without black spot .: fusiform / normal.
🌀 Behaviour
Behavioural data for Racer goby is currently being reviewed.
🦐 Diet
🥚 Reproduction
Adhesive eggs are deposited on stones, shells and aquatic plants. Males guard eggs until hatching.
🌍 Habitat & Distribution
Freshwater; brackish; benthopelagic. Temperate; 4°C - 20°C ; 49°N - 40°N, 25°E - 54°E
🌿 Ecology
crustaceans (esp
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | racer goby |
| 🌍AZE | Çapar xul |
| 🌍BUL | Головрато попче |
| 🌍CES | hlaváč holokrký |
| 🇩🇪German | Nackthalsgrundel |
| 🇫🇮Finnish | paljaskaulatokko |
| 🇭🇷Croatian | Glavočić trkač |
| 🇭🇺Hungarian | Csupasztorkú géb |
| 🇳🇱Dutch | Kaukasische dwerggrondel · naakthalsgrondel |
| 🇵🇱Polish | babka łysa |
| 🌍RON | Moacă de nămol |
| 🇷🇺Russian | Бычок гонец · бычок-гонец |
| 🌍SRP | Главоч тркач |
| 🇸🇪Swedish | racersmörbult · racer-smörbult |
| 🌍TUR | kucuk kaya baligi · küçük kaya balığı |
| 🌍UKR | Бичок-гонець · Сіра бабка · бичок гонець |
🦠 Common Diseases
The following diseases are known to affect Racer goby.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .
👥 Community & Contribute
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