Crocodylus rhombifer

Cuban crocodile

Maximum lifespan

48 yr

AnAge record

mtDNA size

16,795 bp

RefSeq NC_024513.1

GC content

42.86%

Whole genome

Non-coding

1,289 bp

D-loop 1,073 bp

Where Cuban crocodile sits among 2,335 species

Whole-genome GC content against maximum lifespan. Cuban crocodile has the 166th longest lifespan of them.

This species
Other reptiles
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,795 bp

GC skew (G − C) / (G + C): −0.308
AT skew (A − T) / (A + T): +0.117

Life history

Maximum lifespan: 48 years
Adult weight: 57.5 kg

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 03259)

About this record

Lifespan source: AnAge build 15
Based on: an animal in captivity
Data quality: acceptable, medium sample
Licence: Free to use, subject to the Human Ageing Genomic Resources conditions of use
Status: Updated in build 2
In the database since: build 1 (2015-07-01)
Last changed: build 2 (2026-11-13)

Every change against the 2015 build is in the changelog download.

Composition by region

Reference (L) strand as deposited in RefSeq

Whole genome16,795 bp

Protein-coding11,388 bp

12S rRNA984 bp

16S rRNA1,593 bp

All tRNA1,543 bp

D-loop1,073 bp

Genes and regions

Select a column to sort; select a gene to compare it across species

Base composition of Crocodylus rhombifer genes

ND1NADH dehydrogenase subunit 1	963 bp	27.6%	27.3%	15.5%	29.6%	45.07%	−0.313	+0.006
ND2NADH dehydrogenase subunit 2	1,053 bp	30.2%	25.6%	12.3%	31.8%	44.16%	−0.441	+0.082
COX1Cytochrome c oxidase subunit I	1,557 bp	29.5%	28.0%	16.1%	26.5%	42.52%	−0.245	+0.026
COX2Cytochrome c oxidase subunit II	684 bp	33.9%	25.3%	13.7%	27.0%	40.79%	−0.326	+0.146
ATP8ATP synthase F0 subunit 8	162 bp	41.4%	26.5%	8.0%	24.1%	32.10%	−0.500	+0.218
ATP6ATP synthase F0 subunit 6	696 bp	30.2%	25.4%	13.8%	30.6%	44.40%	−0.379	+0.085
COX3Cytochrome c oxidase subunit III	784 bp	27.4%	26.9%	16.2%	29.5%	45.66%	−0.291	+0.009
ND3NADH dehydrogenase subunit 3	348 bp	29.9%	25.6%	15.2%	29.3%	44.54%	−0.316	+0.078
ND4LNADH dehydrogenase subunit 4L	294 bp	26.2%	29.6%	11.6%	32.7%	44.22%	−0.477	−0.061
ND4NADH dehydrogenase subunit 4	1,374 bp	31.0%	25.9%	13.0%	30.1%	43.09%	−0.395	+0.090
ND5NADH dehydrogenase subunit 5	1,860 bp	31.4%	24.6%	12.7%	31.2%	43.98%	−0.421	+0.121
ND6NADH dehydrogenase subunit 6	528 bp	39.4%	16.7%	11.0%	33.0%	43.94%	−0.500	+0.405
CYTBCytochrome b	1,165 bp	29.5%	26.3%	13.7%	30.5%	44.21%	−0.379	+0.058
12S rRNA12S ribosomal RNA	984 bp	32.8%	19.8%	20.9%	26.4%	47.36%	−0.116	+0.247
16S rRNA16S ribosomal RNA	1,593 bp	35.9%	20.8%	18.9%	24.4%	43.32%	−0.128	+0.267
D-loopControl region (D-loop)	1,073 bp	37.7%	31.3%	11.3%	19.8%	31.03%	−0.273	+0.092

Codon usage

Counts per codon, darker is more frequent

Gene

3,822 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.7%

UUU85

UUC131

Leu L17.0%

UUA115

UUG28

CUU75

CUC91

CUA264

CUG77

Ile I8.0%

AUU147

AUC158

Met M5.3%

AUA151

AUG50

Val V5.0%

GUU40

GUC39

GUA77

GUG35

Ser S7.8%

UCU37

UCC75

UCA103

UCG13

AGU15

AGC55

Pro P5.2%

CCU20

CCC49

CCA118

CCG13

Thr T9.2%

ACU51

ACC134

ACA147

ACG19

Ala A7.4%

GCU47

GCC135

GCA92

GCG10

Tyr Y3.0%

UAU49

UAC66

His H2.5%

CAU22

CAC74

Gln Q2.8%

CAA94

CAG14

Asn N3.3%

AAU32

AAC95

Lys K2.3%

AAA79

AAG10

Asp D1.9%

GAU14

GAC59

Glu E2.4%

GAA73

GAG19

Cys C0.8%

UGU12

UGC17

Trp W2.6%

UGA80

UGG20

Arg R1.9%

CGU4

CGC19

CGA42

CGG8

Gly G5.6%

GGU22

GGC61

GGA93

GGG37

Stop 0.3%

UAA8

UAG1

AGA0

AGG2

Genome map

38 annotated features in NC_024513.1

Hover, tap or tab to a feature to see its position, length, strand and GC content. Genes and rRNAs open their own pages.

Protein-coding13
rRNA2
tRNA22
D-loop1

Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
Middle ring: GC% of each gene against the whole genome (42.9%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Crocodylus rhombifer (NC_024513.1)
Feature	Type	Start	End	Length	Strand	GC
12S rRNA	Ribosomal RNA	1	984	984 bp	+	47.4%
tRNA-Val	Transfer RNA	985	1,053	69 bp	+	–
16S rRNA	Ribosomal RNA	1,054	2,646	1,593 bp	+	43.3%
tRNA-Leu (UUR)	Transfer RNA	2,648	2,722	75 bp	+	–
ND1	Protein-coding gene	2,723	3,685	963 bp	+	45.1%
tRNA-Ile	Transfer RNA	3,684	3,755	72 bp	+	–
tRNA-Gln	Transfer RNA	3,754	3,824	71 bp	−	–
tRNA-Met	Transfer RNA	3,827	3,894	68 bp	+	–
ND2	Protein-coding gene	3,899	4,951	1,053 bp	+	44.2%
tRNA-Trp	Transfer RNA	4,952	5,025	74 bp	+	–
tRNA-Ala	Transfer RNA	5,028	5,096	69 bp	−	–
tRNA-Asn	Transfer RNA	5,098	5,170	73 bp	−	–
tRNA-Cys	Transfer RNA	5,177	5,242	66 bp	−	–
tRNA-Tyr	Transfer RNA	5,243	5,313	71 bp	−	–
COX1	Protein-coding gene	5,315	6,871	1,557 bp	+	42.5%
tRNA-Ser (UCN)	Transfer RNA	6,892	6,961	70 bp	−	–
tRNA-Asp	Transfer RNA	6,965	7,036	72 bp	+	–
COX2	Protein-coding gene	7,037	7,720	684 bp	+	40.8%
tRNA-Lys	Transfer RNA	7,722	7,795	74 bp	+	–
ATP8	Protein-coding gene	7,797	7,958	162 bp	+	32.1%
ATP6	Protein-coding gene	7,937	8,632	696 bp	+	44.4%
COX3	Protein-coding gene	8,632	9,415	784 bp	+	45.7%
tRNA-Gly	Transfer RNA	9,416	9,485	70 bp	+	–
ND3	Protein-coding gene	9,486	9,833	348 bp	+	44.5%
tRNA-Arg	Transfer RNA	9,844	9,912	69 bp	+	–
ND4L	Protein-coding gene	9,916	10,209	294 bp	+	44.2%
ND4	Protein-coding gene	10,203	11,576	1,374 bp	+	43.1%
tRNA-Ser (AGY)	Transfer RNA	11,607	11,667	61 bp	+	–
tRNA-His	Transfer RNA	11,685	11,754	70 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,784	11,854	71 bp	+	–
ND5	Protein-coding gene	11,858	13,717	1,860 bp	+	44.0%
ND6	Protein-coding gene	13,668	14,195	528 bp	−	43.9%
tRNA-Glu	Transfer RNA	14,196	14,265	70 bp	−	–
CYTB	Protein-coding gene	14,280	15,444	1,165 bp	+	44.2%
tRNA-Thr	Transfer RNA	15,492	15,563	72 bp	+	–
tRNA-Pro	Transfer RNA	15,576	15,643	68 bp	−	–
tRNA-Phe	Transfer RNA	15,654	15,723	70 bp	+	–
D-loop	Control region	15,723	16,795	1,073 bp	–	31.0%