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The complete mitochondrial genome of the giant electric ray is 17,081 bp long (GenBank accession KM386678) and includes 2 ribosomal RNA, 22 transfer RNA, 13 protein-coding genes, an origin of replication, 2 non-coding regions. The mitochondrial gene arrangement is similar to that found in other batoids. The control region possessed a set of tandem repeats. Start codon ATG and stop codon TAA/T were found in most protein-coding genes. The base composition of the genome is 36.2% A, 29.9% T, 21.9% C, and 11.9% G. [ABSTRACT FROM PUBLISHER]

The complete mitochondrial genome of the banded guitarfish is 17,310 bp long and includes 2 ribosomal RNA, 22 transfer RNA, and 13 protein-coding genes, a replication origin and a control region (GenBank accession number KM370325). Gene arrangement is similar to that found in other batoids. An extra non-coding region was found between the genes coding for transfer RNA proline and threonine possessing a set of tandem repeat motifs pointing to its origin as a duplication remnant. Start codon ATG and stop codon TAA/T were found in most protein-coding genes. The base composition of the genome is 32.3% A, 30.2% T, 24.3% C and 13.1% G. [ABSTRACT FROM PUBLISHER]

The complete mitochondrial genome of the sablefish,Anoplopoma fimbria(Genbank accession KP777542) is 16,507 bp in size and contains the typical 37 genes (13 protein-coding, 2 ribosomal RNA, and 22 transfer RNA) found in teleosts mitogenomes. The genome varies in 118 positions with respect to another mitogenome sablefish specimen. [ABSTRACT FROM AUTHOR]

The complete mitochondrial genome of the Pacific GeoduckPanopea generosa(Genbank accession KM580067) is 15,585 bp in size and contains the typical 37 genes (13 protein-coding, 2 ribosomal RNA and 22 transfer RNA) found in metazoan mitogenomes, including the rare ATPase subunit 8 gene (ATP8). All genes are coded in the same strand but the gene arrangement is novel among heterodont bivalves. The base composition was: A 25.0%, T 38.7%, C 11.2% and G 25.0%. The genome is structurally similar to that of its congener the Cortes GeoduckPanopea globosa. [ABSTRACT FROM PUBLISHER]

The mitogenome of the tenguayaca,Petenia splendida(GenBank accession number KJ914664) has a total length of 16,518 bp, and the arrangement consist of 15 protein-coding genes, 2 ribosomal RNA (rRNA) genes and 22 transfer RNA (tRNA) genes. Gene order was equal to the mitogenomes of other new world cichlids. [ABSTRACT FROM AUTHOR]

The mitogenome of the endemic coralPorites panamensis(Genbank accession number KJ546638) has a total length of 18,628 bp, and the arrangement consist of 13 protein-coding genes, 2 ribosomal RNA (rRNA) genes and 2 transfer RNA (tRNA) genes. Gene order was equal to other scleractinian coral mitogenomes. [ABSTRACT FROM AUTHOR]

The California halibut, Paralichthys californicus, is a highly priced flatfish because of its size and meat quality. This work presents the complete mitochondrial genome of P. californicus. Total DNA from muscle tissue was extracted and sequenced using the Illumina platform. Reads were cleaned, trimmed, assembled de novo, and annotated. The California halibut mitogenome is 16,858 bp in length (GenBank accession number: MT859134), containing 13 protein-coding genes, 22 tRNAs, 2 rRNAs, and the control region. P. californicus mitogenome was most similar to Paralichthys olivaceus than to other flatfish mitogenomes, in agreement with their geographic distribution. This information deepens the knowledge of the California halibut, which is not only ecologically important, but also a socioeconomically relevant resource for fishery and aquaculture in California, USA, and Baja California, Mexico. [ABSTRACT FROM AUTHOR]