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🌊 Marine Least Concern 🌡️ Tropical

Emerald parrotfish

Nicholsina usta Valenciennes, 1840
Max Length
30 cm
Max Weight
-
Lifespan
-
Trophic Level
2
Depth
1–80 m
Climate
Tropical
Resilience
Medium
Vulnerability
33.00/100
Typical Length
18 cm
Depth Zone
reef

📖 Overview

Maximum depth from Ref. 52834. Inhabits seagrass beds and open bottom, mostly in shallow water. Larger adults live in deeper water. Not commonly marketed for food .

Scientific Name
Nicholsina usta
Authority
Valenciennes, 1840
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
30 cm
Depth Range
1–80 m
Latitude
30°S – 41°N
Trophic Level
2
Resilience
Medium
Vulnerability
33.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 2; Anal soft rays: 9. Body somewhat elongate, the depth contained 3 to 3.2 times in SL. Snout somewhat pointed; a small dermal cirrus at edge of anterior nostril; teeth fused only basally, thus not fully coalesced to form dental plates. Gill rakers 12 or 13. Caudal fin slightly rounded; pectoral fin-rays 13. Median predorsal scales 4 or 5; 1 row of scales on cheek. Colour: mottled olive green on back, the scales of sides with bluish white centres and reddish edges; head below level of mouth yellow; 2 diagonal narrow red-orange bands on cheek; median fins reddish, dorsal fin with a black blotch at front.: fusiform / normal.

🌀 Behaviour

Behavioural data for Emerald parrotfish is currently being reviewed.

🦐 Diet

Diet information for Emerald parrotfish is currently being compiled.

🥚 Reproduction

Distinct pairing .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 1 - 80 m . Tropical; 41°N - 30°S, 98°W - 34°W West Indies (except Greater Antilles).

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2

📐 Morphometrics

Length–Weight Relationship: W = 0.01318 × L3.05 (TL)
Max TL
30cm
Dorsal Spines
9
Dorsal Rays
10
Anal Spines
2
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2008

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
41°N – 30°S
Described By
Valenciennes, 1840

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Emerald parrotfish
🏳️Catalan Peix lloro maragda
🌍CES ploskozubec smaragdový
🇫🇷French Perroquet Emeraude
🇮🇹Italian Pesce pappagallo smeraldo
🇵🇹Portuguese Budião · Budião-Sabonete · Papagaio-Esmeralda · Peixe-Papagaio · Peixe-papagaio-esmeralda · budião-de-listra · periquito-verde
🇪🇸Spanish Loro Jabonero · loro esmeralda

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 45 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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