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🌊 Marine Least Concern 🌡️ Tropical

Pygmy blenny

Nannosalarias nativitatis Regan, 1909
Max Length
5 cm
Max Weight
-
Lifespan
-
Trophic Level
2
Depth
2–12 m
Climate
Tropical
Resilience
High
Vulnerability
11.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Adults found solitary or in small groups in seaward reef crests and outer reef slopes in exposed shallow reef fronts subject to mild to moderate surge . Oviparous. Eggs are demersal and adhesive , and are attached to the substrate via a filamentous, adhesive pad or pedestal . Larvae are planktonic, often found in shallow, coastal waters . Minimum depth of 2 m reported from Ref. 90102.

Scientific Name
Nannosalarias nativitatis
Authority
Regan, 1909
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
5 cm
Depth Range
2–12 m
Latitude
24°S – 30°N
Trophic Level
2
Resilience
High
Vulnerability
11.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Nannosalarias
Nannosalarias
Species
Pygmy blenny
Nannosalarias nativitatis

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 15 - 16; Anal spines: 2; Anal soft rays: 16 - 18. Identified by a simple tentacle above eye, small white spots on face and large black spot on throat . Males have a distinct black blotch ventrally on each side of the head.: elongated.

🌀 Behaviour

Behavioural data for Pygmy blenny is currently being reviewed.

🦐 Diet

algae
aquatic plants
detritus

🥚 Reproduction

🐣 Oviparous

Oviparous, distinct pairing .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 2 - 12 m . Tropical; 30°N - 24°S West Pacific: Christmas Island in the eastern Indian Ocean east to Samoa, north to the Ryukyu Islands, south to Rowley Shoals and the southern Great Barrier Reef and Tonga; Pohnpei in Micronesia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.00759 × L3 (TL)
Max TL
5cm
Dorsal Spines
12
Dorsal Rays
16
Anal Spines
2
Anal Rays
17

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
11.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
30°N – 24°S
Described By
Regan, 1909

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