New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Subtropical

Pez de las Piedras

Triathalassothia argentina Berg, 1897
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
40.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Pez de las Piedras (Triathalassothia argentina), first described by Berg, 1897 is a fish in the family Batrachoididae (order Batrachoidiformes). It inhabits marine coastal and open-ocean environments. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Triathalassothia argentina
Authority
Berg, 1897
Habitat
Marine
Climate
Subtropical
IUCN Status
LC
Trophic Level
3.5
Resilience
Medium
Vulnerability
40.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 17 - 18; Anal spines: 0; Anal soft rays: 12 - 13; Vertebrae: 26 - 27.

🌀 Behaviour

Behavioural data for Pez de las Piedras 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. Subtropical Southwest Atlantic: Uruguay and Argentina.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Dorsal Spines
3
Dorsal Rays
18
Anal Rays
13
Vertebrae
27

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
40.00/100
Moderate vulnerability
Trophic Level
3.5
Predator
Climate Zone
Subtropical
Described By
Berg, 1897

🌐 Names & Taxonomy

Language Common Names
🇪🇸Spanish Pez de las Piedras

Scientific Synonyms

Scientific Name Author Year Status
Batrachus argentinus Berg 1897 Synonym
Triathalassothia devincenzii Fowler 1943 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Pez de las Piedras ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.