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Centrarchiformes (Basses) >
Elassomatidae (Pygmy sunfishes)
Etymology: Elassoma: Greek, elasson = smaller + Greek, soma = body (Ref. 45335); gilberti: In honor of Dr. Carter R. Gilbert, Curator of Fishes at the Florida Museum of Natural History from 1961-1998 and now Curator Emeritus. This name will stand in recognition of the many contributions Dr. Gilbert has made to the study of North American fishes.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water pelagisch. Subtropical; 31°N - 30°N, 83°W - 84°W
North America: USA, Florida (Ref. 83676).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 2.5 cm SL mannelijk / geslacht onbekend; (Ref. 83676)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Elassoma gilberti is distinguished from its close relative E. okefenokee by possessing four pores in the preopercular (PO) canal on each side of the head and usually seven anal fin rays. Elassoma okefenokee has three PO pores and usually eight anal fin rays. Elassoma gilberti has slightly less deep body and slightly smaller dorsal and anal fins than E. okefenokee. Breeding females of E. gilberti often have blue dashes below and behind the eye, which are lacking in female E. okefenokee. Otherwise, the two species are almost identical or broadly overlapping in meristic, morphometric, and color features. The distinction of the two species is supported by molecular data. Eight fixed differences (of 553 bp assayed) at the mitochondrial 16S rRNA locus and 12 fixed differences (of 583 bp assayed) found at the nuclear S7 locus differentiated the two species. Phylogenetic analyses using these molecular characters supported monophyletic clades that contained haplotypes and alleles found uniquely in E. gilberti and E. okefenokee, respectively.
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Snelson Jr., F.F., T.J. Krabbenhoft and J.M. Quattro, 2009. Elassoma gilberti, a new species of pygmy sunfish (Elassomatidae) from Florida and Georgia. Bulletin Florida Museum Natural History 48(4): 120-144. (Ref. 83676)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
