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🌊 Marine Least Concern 🌡️ Tropical

Sharpnose anchovy

Anchoa ischana Jordan & Gilbert, 1882
Max Length
17 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
0–50 m
Climate
Tropical
Resilience
High
Vulnerability
19.00/100
Typical Length
9.5 cm
Depth Zone
pelagic

📖 Overview

A schooling species occurring in coastal waters. Pelagic. Frequently caught over sand or gravel in the Gulf of Nicoya, Costa Rica, but also over mud.

Scientific Name
Anchoa ischana
Authority
Jordan & Gilbert, 1882
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
17 cm
Depth Range
0–50 m
Latitude
3°S – 33°N
Trophic Level
3.4
Resilience
High
Vulnerability
19.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 15 - 19. Body rather elongate, but somewhat compressed. Snout moderate, about 3/4 eye diameter; maxilla moderate, tip narrowly pointed, reaching onto sub-operculum, but not to edge of gill cover; gill cover canals of panamensis-type. Anal fin short, its origin below posterior third of dorsal fin base. A narrow silver stripe along flank, deeper above anal fin (about 3/4 to 2/3 eye diameter).: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Sharpnose anchovy is currently being reviewed.

🦐 Diet

Diet information for Sharpnose anchovy is currently being compiled.

🥚 Reproduction

May spawn throughout the year in the Gulf of Nicoya, Costa Rica . Spawn in school .

🌍 Habitat & Distribution

Marine; pelagic-neritic; depth range 0 - 50 m . Tropical; 33°N - 3°S, 116°W - 77°W Central Pacific: southwestern coast of Baja California, Mexico and the Gulf of California to Panama and the Galápagos Islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.4±0.4
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.00575 × L3.14 (TL)
Max TL
17cm
Anal Rays
17

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
33°N – 3°S
Described By
Jordan & Gilbert, 1882

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Anchoviella ischana Jordan & Gilbert 1882 Synonym
Stolephorus ischanus Jordan & Gilbert 1882 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 60 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Sharpnose anchovy ↗
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