Chromis tweddlei, Tweddle's damselfish

Chromis tweddlei Serra, Scarabino, Gobel & Laufer, 2025

Tweddle's damselfish
Upload your photos and videos
 Google image
Image of Chromis tweddlei (Tweddle\
No image available for this species;
drawing shows typical species in Pomacentridae.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Ovalentaria/misc (Various families in series Ovalentaria) > Pomacentridae (Damselfishes) > Chrominae
Etymology: Chromis: Greek, chromis = a fish, perhaps a perch (Ref. 45335); tweddlei: Name 'tweddlei' in honor of Mr. Denis Tweddle for his marine and freshwater fishes collections from southern Africa.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; reef-associated; depth range 214 - 219 m (Ref. 137466). Tropical

Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Indian Ocean: Mauritius.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 11.1 cm SL male/unsexed; (Ref. 137466)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 4; Dorsal soft rays (total): 13 - 14; Anal spines: 2; Anal soft rays: 13 - 14. This species is distinguished by the following set of characters: body depth 2.0-2.1 in SL; D XIV, 13-14; A II, 14 (rarely 13); pectoral-fin rays 20 (rarely 19); procurrent spiniform caudal-fin rays 2; tubed lateral-line scales 18-19; scales above lateral line to dorsal-fin origin 4; circumpeduncular scales 13-14; gill rakers 8-9 + 21-23, total gill rakers 29-32; maxilla ending at vertical at anterior margin of orbit; black caudal band tapering anteriorly (anterior edge v-shaped) the full length of the caudal peduncle; caudal fin yellow with black posterior margin; distal third of anal fin blackish; dorsal fin yellow; upper half of pectoral fin yellow (Ref. 137466).
Body shape (shape guide): short and / or deep; Cross section: compressed.

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Allen, Gerald R. | Collaborators

Lisher, M.W., S.T.F.L. Viana and O. Gon, 2024. Chromis tweddlei, a new deep-water species of damselfish (Pomacentridae) from the Cargados Carajos Bank, southwestern Indian Ocean. J Fish Biol. 106:1012-1020. (Ref. 137466)

IUCN Red List Status (Ref. 130435: Version 2025-2)

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: of no interest
FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items (preys)
Diet composition
Food consumption
Food rations
Predators
Ecology
Ecology
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Distribution
Territories
FAO areas
Ecosystems
Occurrences
Introductions
BRUVS - Videos
Anatomy
Gill area
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genome
Genetics
Heterozygosity
Heritability
Genetic Diversity
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Outreach
Collaborators
Taxonomy
Common names
Synonyms
Morphology
Morphometrics
Pictures
References
References

Tools

E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |