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🌊 Marine Least Concern 🐠 Aquarium 🌡️ Tropical

Bluespot shrimpgoby

Cryptocentrus cyanospilotus Allen & Randall, 2011
Max Length
4.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
2–18 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

A relatively common species, observed in many occasions, and it occurs singly or in pairs. It is invariably associated with unidentified snapping shrimps of the genus Alpheus that share the same burrows, consisting of silty-sand bottoms in sheltered waters .

Scientific Name
Cryptocentrus cyanospilotus
Authority
Allen & Randall, 2011
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
4.1 cm
Depth Range
2–18 m
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 10; Anal spines: 1; Anal soft rays: 9. Characterized by the following: dorsal rays VI-I,10; anal rays I,9; pectoral rays usually 16; scales in longitudinal series 49-54; predorsal scales 10-13; scales ctenoid posteriorly on upper two-thirds of side anterior to level of about fifth or sixth soft dorsal ray; cycloid on lower side, including abdomen, prepelvic region, and pectoralfin base; head naked except side of nape and predorsal region, scales extending anteriorly to level of rear margin of preopercle; body depth at pelvic-fin origin 3.8-4.3 in SL; gill opening extending forward nearly to a vertical at posterior edge of preopercle; dorsal spines progressively longer to fourth, longest 1.1-1.4 in HL; rounded caudal fin, longer than head, 2.7-3.2 in SL; pectoral fins reaching to level of second dorsal-fin origin, 3.4-4.0 in SL; pelvic fins reaching posteriorly to about anus, 3.7-4.1 in SL; colour variable, generally pale to dark brown; male with about eight narrow pale bars on body and oblique brown bandson basal portion of dorsal fins; both sexes with small blue spots scattered on cheek and operculum, and similar spots on body more or less arranged in vertical rows with 2-4 spots per row; female often whitish or pale grey dorsally on head, sometimes with several dark brown and pale grey saddles along back, and elliptical orange spots on second dorsal fin; pelvic fins of both sexes frequently pale yellowish, sometimes white .

🌀 Behaviour

Behavioural data for Bluespot 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; reef-associated; depth range 2 - 18 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.2±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
4.1cm
Dorsal Spines
7
Dorsal Rays
10
Anal Spines
1
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Allen & Randall, 2011

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