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💧 Freshwater Least Concern 🌡️ Tropical

Manamo anchovy

Anchoviella manamensis Cervigón, 1982
Max Length
2.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Occurs in large schools together with juvenile Anchovia surinamensis and slightly larger juvenile Lycengraulis batesii, which appear to feed on the Anchoviella. Mature by about 2 cm SL; a female of 2.5 cm had 157 large eggs in the ovary. This is evidently a progenetic species (adult at juvenile stage).

Scientific Name
Anchoviella manamensis
Authority
Cervigón, 1982
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
2.5 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 15 - 18. Body fairly slender, somewhat compressed. Snout very short, about 1/2 eye diameter; maxilla very short, tip bluntly rounded, reaching only a little beyond hind border of eye; gill cover canal pattern not recorded. Anal fin fairly short, its origin below about middle of dorsal fin base.: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Manamo anchovy is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

A female of 2.5 cm had 157 large eggs in the ovary. This is evidently a progenetic species (adult at juvenile stage) . Spawn in school .

🌍 Habitat & Distribution

Freshwater; brackish; pelagic. Tropical; 10°N - 6°N South America: Orinoco delta, Venezuela; also Guyana and Surinam.

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish 🐟 Pelagic
Trophic Level
3.1±0.4
🐠 Schooling
Food Items

the Anchoviella

📐 Morphometrics

Length–Weight Relationship: W = 0.00525 × L3.14 (TL)
Max TL
2.5cm
Anal Rays
17

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Cervigón, 1982

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 9 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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