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Ovalentaria/misc (Various families in series Ovalentaria) >
Pomacentridae (Damselfishes) > Chrominae
Etymology: Chromis: Greek, chromis = a fish, perhaps a perch (Ref. 45335).
Eponymy: Dr John ‘Jack’ Ernest Randall Jr. [...] (Ref. 128868), visit book page.
More on authors: Greenfield & Hensley.
Environment: milieu / climate zone / profondeur / distribution range
Écologie
marin récifal; non migrateur; profondeur 5 - 30 m (Ref. 7247). Subtropical; 26°S - 27°S
Southeast Pacific: endemic to Easter Island.
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 15.0 cm NG mâle / non sexé; (Ref. 89467)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 15; Rayons mous dorsaux (Total) : 10; Épines anales: 2; Rayons mous anaux: 10 - 11.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Adults occur in inshore and offshore rocky reefs in 5 to 30 meters in small to large aggregations (Ref. 7247). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
Allen, G.R., 1991. Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00571 - 0.02773), b=3.03 (2.84 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.0 ±0.1 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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Nutrients (Ref.
124155): Calcium = 60.3 [26.7, 115.3] mg/100g; Iron = 0.85 [0.49, 1.42] mg/100g; Protein = 19.4 [18.3, 20.4] %; Omega3 = 0.224 [0.126, 0.388] g/100g; Selenium = 10.8 [5.4, 22.6] μg/100g; VitaminA = 111 [37, 329] μg/100g; Zinc = 1.08 [0.69, 1.62] mg/100g (wet weight);
![Image of Chromis randalli (Randall\](/images/thumbnails/jpg/tn_Chran_u0.jpg "Image of Chromis randalli (Randall\")
