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🌊 Marine Data Deficient 🐠 Aquarium 🌡️ Tropical

Brownband shrimpgoby

Tomiyamichthys zonatus Allen, 2015
Max Length
3.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
11–15 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

This species occurs in moderately sloped areas (about 20 degrees) with mixed substratum (mud, sand, and gravel). Of the five individuals observed, three are solitary and a mixed sex pair (male holotype and female paratype) shared the same burrow. It is associated with an unidentified alpheid shrimp .

Scientific Name
Tomiyamichthys zonatus
Authority
Allen, 2015
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
3.1 cm
Depth Range
11–15 m
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 11; Anal spines: 1; Anal soft rays: 11. This species is distinguished by the following characters: D VI-I,11; A I,11; pectoral-fin rays 17; scales in longitudinal series 52-54; no scales on head, pectoral-fin base, and prepelvic region; body with cycloid scales anteriorly, becoming ctenoid posteriorly; no preopercular sensory canal and pores; gill opening extending forward to a vertical at posterior edge of preopercle; the first four dorsal-fin spines with short, filamentous tips; lanceolate caudal fin, longer than head, 2.3-2.7 in SL; distinct sexual dichromatism, male characterized by 5 brown saddles on back, 7 orange-brown bars on ventral half of body from level of dorsal-fin origin to base of last anal ray, prominent black bar present across outer two thirds of last two anal-fin rays, pale yellow pelvic fins with bright yellow spots; male and female with mid-lateral row of alternating large and small rectangular blotches within pair of thin stripes from the pectoral fin to caudal-fin base; females generally with darker brown markings on body and more ornate fins, consisting of variable dark stripes or blotches on dorsal, anal, and pelvic fins .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Brownband shrimpgoby is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; demersal; depth range 11 - 15 m . Tropical Central Pacific: Papua New Guinea (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.1±0.3
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
3.1cm
Dorsal Spines
7
Dorsal Rays
11
Anal Spines
1
Anal Rays
11

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2023

📊 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
Allen, 2015

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