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Diadromous Least Concern 🌡️ Subtropical

Hardhead silverside

Atherinomorus stipes Müller & Troschel, 1848
Max Length
10 cm
Max Weight
Lifespan
Trophic Level
3.3
Depth
Climate
Subtropical
Resilience
High
Vulnerability
25.00/100
Typical Length
7.5 cm
Depth Zone
reef

📖 Overview

Hardhead silverside (Atherinomorus stipes) is a ray-finned fish of the family Atherinidae. It inhabits diadromous, migrating between freshwater and the sea waters in reef-associated environments. This species can reach a maximum total length of 10 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Atherinomorus stipes
Authority
Müller & Troschel, 1848
Habitat
Diadromous
Climate
Subtropical
Body Shape
Elongated
IUCN Status
LC
Max Length
10 cm
Trophic Level
3.3
Resilience
High
Vulnerability
25.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 8 - 10; Anal soft rays: 9 - 13. Head wider than body .: elongated.

🌀 Behaviour

Behavioural data for Hardhead silverside is currently being reviewed.

🦐 Diet

Diet information for Hardhead silverside is currently being compiled.

🥚 Reproduction

Size at Maturity
6cm TL

🌍 Habitat & Distribution

Marine; freshwater; brackish; reef-associated. Subtropical Southeast Pacific: known only from Tumaco, Colombia (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish 🪸 Reef Associated
Trophic Level
3.3±0.3
🐠 Schooling
Food Items

zooplankton (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.22 (TL)
Max TL
10cm
Dorsal Spines
11
Dorsal Rays
9
Anal Rays
11

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Müller & Troschel, 1848

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Atherina laticeps Poey 1860 Synonym
Atherina stipes Müller & Troschel 1848 Synonym
Atherina velieana Goode & Bean 1880 Synonym
Atherinomorphus stipes Müller & Troschel 1848 Synonym
Hepsetia stipes Müller & Troschel 1848 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 159 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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