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💧 Freshwater Least Concern 🌡️ Tropical

January toothcarp

Phalloptychus januarius Hensel, 1868
Max Length
2.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
26.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Usually found in shallow, flowing and standing waters that can warm up considerably. Occurs in company with other livebearers, such as Poecilia vivipara and Jenynsia lineata. A photo of this species taken from Santos channel, state of São Paulo, Brazil has a maximum length of 3.3 cm SL (photo by T. Vaske, Jr.).

Scientific Name
Phalloptychus januarius
Authority
Hensel, 1868
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
2.5 cm
Trophic Level
3
Resilience
High
Vulnerability
26.00/100
Water Temp
24–28 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for January toothcarp is currently being compiled.

🌀 Behaviour

Behavioural data for January toothcarp is currently being reviewed.

🦐 Diet

Diet information for January toothcarp is currently being compiled.

🥚 Reproduction

After 24 days gestation, gives birth to 10-30 young.

🌍 Habitat & Distribution

Freshwater; pelagic; pH range: 6.8 - 8.0; dH range: ? - 25. Tropical; 24°C - 28°C South America: Brazil, Paraguay, Uruguay and Argentina (Ref.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L3.22 (TL)
Max TL
2.5cm

🌡️ Water Parameters & Tolerance

Temperature Range
24–28°C
pH Range
6.8–8
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
26.00/100
Low vulnerability
Trophic Level
3
Predator
Climate Zone
Tropical
Described By
Hensel, 1868

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Girardinus iheringii Boulenger 1889 Synonym
Girardinus januarius Hensel 1868 Synonym
Phalloptychus iheringii Boulenger 1889 Synonym
Poecilia januarius Hensel 1868 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 4 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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