Hippopotamus amphibius

Hippopotamus

Maximum lifespan

61.2 yr

AnAge record

mtDNA size

16,407 bp

RefSeq NC_000889.1

GC content

42.56%

Whole genome

Non-coding

1,045 bp

Including the D-loop

Where Hippopotamus sits among 2,335 species

Whole-genome GC content against maximum lifespan. Hippopotamus has the 85th longest lifespan of them.

This species
Other mammals
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,407 bp

GC skew (G − C) / (G + C): −0.344
AT skew (A − T) / (A + T): +0.140

Life history

Maximum lifespan: 61.2 years
Adult weight: 3.8 t
Birth weight: 40 kg
Body temperature: 35.4 °C
Female sexual maturity: 3.5 years
Male sexual maturity: 3.5 years
Gestation or incubation: 234 days
Litter or clutch size: 1
Litters per year: 0.6

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 02049)

About this record

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

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

Composition by region

Reference (L) strand as deposited in RefSeq

Whole genome16,407 bp

Protein-coding11,324 bp

12S rRNA968 bp

16S rRNA1,565 bp

All tRNA1,508 bp

Genes and regions

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

Base composition of Hippopotamus amphibius genes

ND1NADH dehydrogenase subunit 1	957 bp	32.0%	24.5%	11.9%	31.7%	43.57%	−0.453	+0.133
ND2NADH dehydrogenase subunit 2	1,044 bp	35.2%	24.3%	9.5%	31.0%	40.52%	−0.532	+0.182
COX1Cytochrome c oxidase subunit I	1,546 bp	27.0%	27.8%	17.5%	27.7%	45.21%	−0.227	−0.015
COX2Cytochrome c oxidase subunit II	684 bp	33.6%	25.0%	14.3%	27.0%	41.37%	−0.307	+0.147
ATP8ATP synthase F0 subunit 8	207 bp	35.3%	24.6%	7.2%	32.9%	40.10%	−0.639	+0.177
ATP6ATP synthase F0 subunit 6	681 bp	32.2%	23.6%	11.7%	32.5%	44.20%	−0.468	+0.153
COX3Cytochrome c oxidase subunit III	784 bp	26.9%	27.3%	15.8%	30.0%	45.79%	−0.309	−0.007
ND3NADH dehydrogenase subunit 3	347 bp	31.7%	25.4%	11.5%	31.4%	42.94%	−0.463	+0.111
ND4LNADH dehydrogenase subunit 4L	297 bp	31.0%	30.6%	13.5%	24.9%	38.38%	−0.298	+0.005
ND4NADH dehydrogenase subunit 4	1,378 bp	32.4%	24.4%	10.7%	32.6%	43.25%	−0.507	+0.141
ND5NADH dehydrogenase subunit 5	1,785 bp	32.8%	24.6%	11.7%	30.9%	42.58%	−0.450	+0.143
ND6NADH dehydrogenase subunit 6	528 bp	42.2%	15.7%	7.8%	34.3%	42.05%	−0.631	+0.458
CYTBCytochrome b	1,140 bp	29.7%	24.2%	13.9%	32.2%	46.05%	−0.398	+0.102
12S rRNA12S ribosomal RNA	968 bp	37.8%	20.5%	17.3%	24.5%	41.74%	−0.173	+0.298
16S rRNA16S ribosomal RNA	1,565 bp	37.8%	22.9%	17.1%	22.2%	39.30%	−0.132	+0.246

Codon usage

Counts per codon, darker is more frequent

Gene

3,791 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F6.0%

UUU78

UUC151

Leu L15.7%

UUA61

UUG17

CUU50

CUC108

CUA307

CUG53

Ile I8.1%

AUU101

AUC207

Met M6.4%

AUA193

AUG51

Val V5.4%

GUU35

GUC62

GUA81

GUG25

Ser S7.1%

UCU32

UCC88

UCA84

UCG11

AGU12

AGC44

Pro P5.4%

CCU34

CCC86

CCA78

CCG5

Thr T9.0%

ACU43

ACC108

ACA171

ACG18

Ala A6.6%

GCU32

GCC105

GCA105

GCG8

Tyr Y3.4%

UAU52

UAC75

His H2.6%

CAU22

CAC77

Gln Q2.4%

CAA80

CAG10

Asn N4.1%

AAU35

AAC121

Lys K2.6%

AAA83

AAG15

Asp D1.8%

GAU24

GAC45

Glu E2.4%

GAA70

GAG21

Cys C0.6%

UGU8

UGC15

Trp W2.7%

UGA96

UGG8

Arg R1.6%

CGU6

CGC14

CGA42

CGG0

Gly G5.8%

GGU37

GGC69

GGA81

GGG32

Stop 0.2%

UAA4

UAG4

AGA1

AGG0

Genome map

37 annotated features in NC_000889.1

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

Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
Middle ring: GC% of each gene against the whole genome (42.6%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 37 features as a table

Annotated features of Hippopotamus amphibius (NC_000889.1)
Feature	Type	Start	End	Length	Strand	GC
tRNA-Phe	Transfer RNA	1	71	71 bp	+	–
12S rRNA	Ribosomal RNA	72	1,039	968 bp	+	41.7%
tRNA-Val	Transfer RNA	1,040	1,108	69 bp	+	–
16S rRNA	Ribosomal RNA	1,109	2,673	1,565 bp	+	39.3%
tRNA-Leu (UUR)	Transfer RNA	2,674	2,747	74 bp	+	–
ND1	Protein-coding gene	2,750	3,706	957 bp	+	43.6%
tRNA-Ile	Transfer RNA	3,706	3,774	69 bp	+	–
tRNA-Gln	Transfer RNA	3,772	3,843	72 bp	−	–
tRNA-Met	Transfer RNA	3,845	3,913	69 bp	+	–
ND2	Protein-coding gene	3,914	4,957	1,044 bp	+	40.5%
tRNA-Trp	Transfer RNA	4,956	5,022	67 bp	+	–
tRNA-Ala	Transfer RNA	5,027	5,095	69 bp	−	–
tRNA-Asn	Transfer RNA	5,098	5,171	74 bp	−	–
tRNA-Cys	Transfer RNA	5,204	5,271	68 bp	−	–
tRNA-Tyr	Transfer RNA	5,272	5,337	66 bp	−	–
COX1	Protein-coding gene	5,339	6,884	1,546 bp	+	45.2%
tRNA-Ser (UCN)	Transfer RNA	6,888	6,956	69 bp	−	–
tRNA-Asp	Transfer RNA	6,965	7,031	67 bp	+	–
COX2	Protein-coding gene	7,032	7,715	684 bp	+	41.4%
tRNA-Lys	Transfer RNA	7,719	7,782	64 bp	+	–
ATP8	Protein-coding gene	7,784	7,990	207 bp	+	40.1%
ATP6	Protein-coding gene	7,945	8,625	681 bp	+	44.2%
COX3	Protein-coding gene	8,625	9,408	784 bp	+	45.8%
tRNA-Gly	Transfer RNA	9,410	9,479	70 bp	+	–
ND3	Protein-coding gene	9,480	9,826	347 bp	+	42.9%
tRNA-Arg	Transfer RNA	9,827	9,895	69 bp	+	–
ND4L	Protein-coding gene	9,896	10,192	297 bp	+	38.4%
ND4	Protein-coding gene	10,186	11,563	1,378 bp	+	43.3%
tRNA-His	Transfer RNA	11,564	11,633	70 bp	+	–
tRNA-Ser (AGY)	Transfer RNA	11,634	11,692	59 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,694	11,763	70 bp	+	–
ND5	Protein-coding gene	11,764	13,548	1,785 bp	+	42.6%
ND6	Protein-coding gene	13,571	14,098	528 bp	−	42.1%
tRNA-Glu	Transfer RNA	14,099	14,167	69 bp	−	–
CYTB	Protein-coding gene	14,172	15,311	1,140 bp	+	46.1%
tRNA-Thr	Transfer RNA	15,312	15,381	70 bp	+	–
tRNA-Pro	Transfer RNA	15,381	15,447	67 bp	−	–