Helcogramma Williamsi
📖 Overview
Adults are found in rocky shore areas with sand channels at depths of 1-3 m . 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 .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 16 - 17; Dorsal soft rays (total): 10 - 11; Anal spines: 1; Anal soft rays: 19 - 20; Vertebrae: 36. This species is distinguished by the following characters:Second dorsal-fin spines XIII; third dorsal-fin rays modally 11; anal-fin rays modally 19; lateral line with 22-24 pored scales; pattern of dentary pores modally 5+1+5; nape naked; supraorbital cirrus lobate; nasal cirrus broad, serrated or palmate; first dorsal fin lower in height than second; males with yellow mark from anterior tip of upper lip to anterior margin of eye and a whitish blue line extending from corner of mouth onto preopercle; trunk without longitudinal stripes; symphyseal dentary pores 1; upper lip without proboscis-like extension.: elongated; Cross section: oval.
🌀 Behaviour
Behavioural data for Helcogramma Williamsi is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; benthopelagic; depth range 1 - 3 m . Subtropical
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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