Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Pseudochromidae
(Dottybacks) > Pseudochrominae
Etymology: Pseudochromis: Greek, pseudes = false + Greek, chromis = a fish, perhaps a perch (Ref. 45335); tonozukai: Named for Takamasa Tonozuka. More on authors: Gill & Allen.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 30 - 45 m (Ref. 90102). Tropical
Eastern Indian Ocean: Indonesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.3 cm SL male/unsexed; (Ref. 56434); 6.6 cm SL (female)
Morphology | Morphometrics
soft rays: 14 - 15. This species is diagnosed by the following characters: D III,25; A III,14-15; lateral line scales 34-36; caudal fin is rhomboid to trifurcate; no small dark spot on the upper part of pectoral fin (Ref. 56434).
Occurs at 45° slope with mixed sand-rubble substrate; at least four male-female pairs were observed, several were solitary (Ref. 56434).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Gill, A.C. and G.R. Allen, 2004. Pseudochromis lugubris and P. tonozukai, two new dottyback fish species from the Indo-Australian Archipelago (perciformes: Pseudochromidae: Pseudochrominae. Zootaxa 604:1-12. (Ref. 56434)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00241 - 0.01439), b=3.10 (2.88 - 3.32), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.5 ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (15 of 100) .