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🌊 Marine Data Deficient 🌡️ Tropical

Helcogramma Larvata

Helcogramma larvata Fricke & Randall, 1992
Max Length
2.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
0–2 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Eggs are hemispherical and covered with numerous sticky threads that anchor them in the algae on the nesting sites . Larvae are planktonic which occur primarily in shallow, nearshore waters .

Scientific Name
Helcogramma larvata
Authority
Fricke & Randall, 1992
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
2.2 cm
Depth Range
0–2 m
Trophic Level
3
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 15 - 17; Dorsal soft rays (total): 9 - 11; Anal spines: 1; Anal soft rays: 17 - 21; Vertebrae: 34 - 35. Diagnosis: Dorsal fin III + XI-XII+ 8-9, 2nd fin twice height of 1st; anal fin I + 16-18; pectoral rays 15 (1+7+7); pelvic fin I, 2, spine short and hidden, segmented rays simple, partially united by membrane. Vertebrae 10 + 24-25. LL total lateral scales 32-35; pored 20-22 scales, ends below 3rd dorsal fin; nape, belly, 1st and 2nd dorsal fin and anterior anal-fin base scaleless. Mandibular pores 2-3+1+2-3. Orbital cirrus small. Head length 3.5 in SL; eye 2.7, maxilla 2.1 in HL. Head, male masked ventrally, female with few dark spots. Fins pale, D1 with dusky distal margin. Live color unknown .: elongated.

🌀 Behaviour

Behavioural data for Helcogramma Larvata is currently being reviewed.

🦐 Diet

Diet information for Helcogramma Larvata is currently being compiled.

🥚 Reproduction

Reproduction data for Helcogramma Larvata is currently being compiled.

🌍 Habitat & Distribution

Marine; demersal; depth range 0 - 2 m . Tropical North Male Atoll, Maldives.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00617 × L3.03 (TL)
Max TL
2.2cm
Dorsal Spines
16
Dorsal Rays
10
Anal Spines
1
Anal Rays
19
Vertebrae
35

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Fricke & Randall, 1992

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