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💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

Moon fish

Citharinus citharus Hilaire, 1809
Max Length
58 cm
Max Weight
7.0 kg
Lifespan
-
Trophic Level
2
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
30.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Moon fish (Citharinus citharus), first described by Hilaire, 1809 is a large fish in the family Citharinidae (order Characiformes). Adults typically reach 58.00 cm in maximum length and up to 7.000 kg. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds primarily on plankton, plant material, and detritus. On the IUCN Red List, it is classified as Least Concern.The species is important as a food fish and considered a sustainable seafood option under current management. As a member of the Citharinidae, it shares life-history and morphological traits with its relatives in the group.

Scientific Name
Citharinus citharus
Authority
Hilaire, 1809
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
58 cm
Max Weight
7 kg
Trophic Level
2
Resilience
Medium
Vulnerability
30.00/100
Migration
Anadromous
Water Temp
22–28 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 17 - 21; Anal soft rays: 26 - 31. Diagnosis: body depth 1.8-2.7x and head length 3.0-4.1x SL; caudal peduncle 0.7-1.4x long than deep; short snout, slightly prominent; snout 0.7-1.6x eye diameter; eye diameter 3.7-6.1x head length; adipose-fin base shorter than distance separating it from rayed dorsal fin (ratio adipose base/distance to rayed dorsal is 0.5-0.8); pectoral fins 0.5-1.1x head length; cycloid scales; scale formula 22.5-25.5/77-92/22.5-25.5; 77-92 scales in longitudinal line; 17.5-20.5 scales between lateral line and pelvic fin; 17-21 dorsal fin branched rays; 26-30 anal fin branched rays . : short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Moon fish is currently being reviewed.

🦐 Diet

algae
aquatic plants
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

Total spawner .

🌍 Habitat & Distribution

Freshwater; demersal; anadromous . Tropical; 22°C - 28°C known from Lake Turkana (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Anadromous
Trophic Level
2

📐 Morphometrics

Length–Weight Relationship: W = 0.01318 × L2.88 (TL)
Max TL
58cm
Max Weight
7,000g
Dorsal Rays
19
Anal Rays
29

🌡️ Water Parameters & Tolerance

Temperature Range
22–28°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Hilaire, 1809

🍽️ Edibility & Flavour

"Moon fish is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • 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
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

⚡ Nutrition

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 18.1 g
Omega-3 (total) 324 mg

🔬 Mercury Safety

Mercury data for Moon fish has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact
✓ Sustainable Choice

🔬 Full Nutritional Profile

Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)

Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Citharinus citharius Geoffroy Saint-Hilaire 1809 Synonym
Citharinus citharus citharus - - Synonym
Citharinus citharus intermedius Worthington 1932 Synonym
Citharinus geoffroyi Cuvier 1829 Synonym
Distichodus marnoi Steindachner 1881 Synonym
Serrasalmus citharus Geoffroy Saint-Hilaire 1809 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 78 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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