Species · accepted · checked 2026-08-05

Abudefduf troschelii

Panamic sergeant major

WoRMS 273702ITIS 170054GBIF 2398672key worms:273702

2026-08-05: itis_id 170054 via WoRMS external link

Silhouette · Nicolas Mouquet · CC0 1.0 · PhyloPic, drawn from Abudefduf abdominalis

Panamic sergeant major20 cm

bongo net ring71 cm

max · worms_attribute

Photograph of Abudefduf troschelii — Photo · Ryan McMinds · CC BY 4.0 · inat

Abudefduf troschelii, the Pacific sergeant major or Panama sergeant major, is a species of damselfish belonging to the family Pomacentridae that can be identified by the pronounced black stripes on the lateral sides of the fish. Its specific name honors the zoologist Franz Hermann Troschel (1810-1882).W CalCOFI holds 2 observations of it in 1 dataset between 1959 and 2000, as larva.R

2
observations: 2
records: 2
sampling events: 1959–2000
years: 1
datasets: larva
life stages

Observed in
i
One row per dataset, one cell per year, darker with more observations — the same strip the front door draws per dataset. Each row ends with the name that dataset uses (dataset_taxon); the accepted name is written once, in the title above. A quiet pill marks a name the authority does not accept.

Ichthyoplankton 2 obs · 2 events · 1959–2000 · larva
name used: Abudefduf troschelii Panamic sergeant major · code 622

How big is it
i
Every mark is a measured length with its own source — hover one to read it. The reference objects are _data/size_reference.csv: two of them, the 505 µm bongo mesh and the net's ring, are CalCOFI's own sampling gear.

Ways in
i
Read from taxa.json of release v2026.09.11, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.

Explorer db-query

ERDDAPCalCOFI's own server, the Ichthyoplankton table constrained to this taxon

https://erddap.calcofi.io/erddap/tabledap/swfsc_ichthyo.html?&taxon_key=%22worms:273702%22

Abudefduf troschelii

How big is itiEvery mark is a measured length with its own source — hover one to read it. The reference objects are _data/size_reference.csv: two of them, the 505 µm bongo mesh and the net's ring, are CalCOFI's own sampling gear.

Ways iniRead from taxa.json of release v2026.09.11, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.

How big is it
i
Every mark is a measured length with its own source — hover one to read it. The reference objects are _data/size_reference.csv: two of them, the 505 µm bongo mesh and the net's ring, are CalCOFI's own sampling gear.

Ways in
i
Read from taxa.json of release v2026.09.11, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.