Actinopteri (ray-finned fishes) > Ovalentaria/misc
(Various families in series Ovalentaria) > Grammatidae
Etymology: Gramma: Greek, gramma, atos = signal, mark (Ref. 45335); dejongi: Named for Arie De Jong of De Jong Marinelife, who first recognized the new species and provided the type specimens. More on authors: Victor & Randall.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 5 - 30 m (Ref. 85755), usually - m (Ref. ). Tropical; 0°C -
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm TL male/unsexed; (Ref. 85755)
Morphology | Morphometrics
soft rays: 10. Distinct with the following characters: D XII,10; A III,10; pectoral rays 15; upper jaw length 2.25-2.40 in HL; length of pelvic fin 0.91-1.06 in HL; shallow emarginate caudal fin; body golden yellow, except for magenta surrounding pelvic-fin insertion, along ventral isthmus, operculum, and branchiostegal membranes (usually with a separate tiny streak underlining posterior mandible) and rearward along ventral abdomen; pelvic fins are bright purple-magenta with a darker streak along length of second soft-ray; presence of magenta patch covering first 3-4 dorsal-fin spines (not extending onto body) and surrounding an oval black spot about pupil diameter on outer half of first 3 spinous membranes (Ref. 85755).
Found on walls, in shallow reef areas (Ref. 85755). Minimum depth at 5 m (B. Victor, pers. omm. 10/18).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Victor, B.C. and J.E. Randall, 2010. Gramma dejongi, a new basslet (Perciformes: Grammatidae) from Cuba, a sympatric sibling species of G. loreto. Zoological Studies 49(6):865-871. (Ref. 85755)
IUCN Red List Status (Ref. 124695)
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.4 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .