New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine 🍽️ Edible 🌡️ Tropical

Astral anchovy

Stolephorus astrum Hata & Motomura, 2024
Max Length
5.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
0–15 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Astral anchovy (Stolephorus astrum), first described by Hata & Motomura, 2024 is a small fish in the family Engraulidae (order Clupeiformes). Adults typically reach 5.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 15 metres. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. The species is important as a food fish. As a member of the Engraulidae, it shares life-history and morphological traits with its relatives in the group.

Scientific Name
Stolephorus astrum
Authority
Hata & Motomura, 2024
Habitat
Marine
Climate
Tropical
Max Length
5.5 cm
Depth Range
0–15 m
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Vertebrae: 38 - 39. This species is distinguished by the following set of characters: maxilla short, 15.9-17.8% of SL, posterior tip just reaching to or slightly beyond anterior margin of preopercle (just short of anterior margin in individuals < 3.6 cm SL); posterior margin of preopercle convex, rounded; predorsal scutes absent; prepelvic scutes 1-4 (modally 4); pelvic scute no spine; dorsal fin with three unbranched and 12-14 (13) branched rays; anal fin with three unbranched and 18-19 (18) branched rays, the origin located just below base of ninth to eleventh dorsal-fin ray; gill rakers at first (1) gill arch, upper (1UGR) 20-24 + lower (1LGR) 30-34 = 50-56 (1TGR); 2UGR 15-18 + 2LGR 26-30 = 2TGR 42-48; 3UGR 12-13 + 3LGR 15-17 = 3TGR 27-30; 4UGR 9-10 + 4LGR 12-14 = 4TGR 21-24; gill rakers 5-7 on the posterior face of third gill arch; transverse scales 8; pseudobranchial filaments 16-21; total vertebrae 38 or 39; pelvic fin short, 10.2-11.3% of SL, depressed tip reaching posteriorly to vertical through 3rd to 6th dorsal-fin ray origin; pectoral fin short, 15.9-16.3% of SL; predorsal fin length short, 50.1-53.6% of SL; caudal peduncle rather long, 16.8-18.6% of SL; body slender, 16.8-19.0% of SL, distance between dorsal-fin origin and pelvic-fin insertion 20.1-23.4% of SL, between origins of dorsal and anal fins 19.1-20.3%. Colouration: pairs of dark patches on parietal and occipital areas; no dark lines on dorsum; black spots on the tips of snout and lower jaw, but not on suborbital area; melanophores scattered on second to eigth uppermost pectoral-fin rays .Cross section: compressed.

🌀 Behaviour

Behavioural data for Astral anchovy is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; brackish; pelagic-neritic; depth range 0 - 15 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🐟 Pelagic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00501 × L3.14 (TL)
Max TL
5.5cm
Vertebrae
39

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Hata & Motomura, 2024

🍽️ Edibility & Flavour

⚡ Nutrition

Detailed nutritional data for Astral anchovy is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Astral anchovy 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

🔬 Full Nutritional Profile

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

Proximate Composition
Energy180 kcal
Moisture68 %
Protein22 %
Total Fat8 %
Ash1.4 %
Fatty Acids (g)
Saturated Fat1.8 g
Monounsaturated Fat2.6 g
Polyunsaturated Fat3.2 g
Omega-3 Total2 g
EPA0.6 g
DHA1.1 g
Omega-6 Total0.6 g
Key Minerals & Vitamins
Calcium15 mg
Iron0.9 mg
Magnesium28 mg
Phosphorus235 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium35 µg
Vitamin D550 IU
Vitamin B3 (Niacin)8 mg
Vitamin B123.2 µg

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Astral anchovy ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.